losowanie n.: Ze zbioru cyfr 1,2,3,..,9 losujemy po jednej cyfrze bez zwracania i układamy w kolejności losowania w liczbę trzycyfrową. Oblicz prawdopodobieństwo, że w ten sposób ułożymy liczbę większą od 400.

Beti: |Ω| = 9*8*7 = 504 |A| = 6*8*7 = 336

	336		2
P(A) =		=
	504		3

Eta:

	6*8*7		2
P(A)=		=
	9*8*7		3

%2525252525252525253Cb%2525252525252525253Em.%2525252525252525253A%2525252525252525253C%2525252525252525252Fb%2525252525252525253E%25252525252525252520%2525252525252525253Ctable%25252525252525252520cellspacing%2525252525252525253D%252525252525252525220%25252525252525252522%25252525252525252520style%2525252525252525253D%25252525252525252522position%2525252525252525253Arelative%2525252525252525253B%25252525252525252520margin-top%2525252525252525253A0px%2525252525252525253B%25252525252525252520margin-bottom%2525252525252525253A0px%2525252525252525253B%25252525252525252520padding-bottom%2525252525252525253A0px%2525252525252525253B%25252525252525252520text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252522%2525252525252525253E%2525252525252525253Ctr%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520vertical-align%2525252525252525253Abottom%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E1%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520vertical-align%2525252525252525253Abottom%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E1%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520vertical-align%2525252525252525253Abottom%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E1%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253C%2525252525252525252Ftr%2525252525252525253E%2525252525252525253Ctr%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253Emoc%25252525252525252520zbioru%2525252525252525253A%25252525252525252520c%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253E%2525252525252525253Chr%25252525252525252520class%2525252525252525253Du2%2525252525252525253E%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253E%25252525252525252520*%25252525252525252520c%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253E%2525252525252525253Chr%25252525252525252520class%2525252525252525253Du2%2525252525252525253E%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253E%25252525252525252520*%25252525252525252520c%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253E%2525252525252525253Chr%25252525252525252520class%2525252525252525253Du2%2525252525252525253E%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253E%25252525252525252520%2525252525252525253D9*8*7%2525252525252525253D504%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253C%2525252525252525252Ftr%2525252525252525253E%2525252525252525253Ctr%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520vertical-align%2525252525252525253Atop%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E9%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520vertical-align%2525252525252525253Atop%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E8%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520vertical-align%2525252525252525253Atop%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E7%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253C%2525252525252525252Ftr%2525252525252525253E%2525252525252525253C%2525252525252525252Ftable%2525252525252525253E%2525252525252525250Azdarzenie%25252525252525252520sprzyjaj%252525252525252525C4%25252525252525252585ce%25252525252525252520A%25252525252525252520%25252525252525252526%2525252525252525252362%2525252525252525253B%25252525252525252520400%2525252525252525250A%2525252525252525253Ctable%25252525252525252520cellspacing%2525252525252525253D%252525252525252525220%25252525252525252522%25252525252525252520style%2525252525252525253D%25252525252525252522position%2525252525252525253Arelative%2525252525252525253B%25252525252525252520margin-top%2525252525252525253A0px%2525252525252525253B%25252525252525252520margin-bottom%2525252525252525253A0px%2525252525252525253B%25252525252525252520padding-bottom%2525252525252525253A0px%2525252525252525253B%25252525252525252520text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252522%2525252525252525253E%2525252525252525253Ctr%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520vertical-align%2525252525252525253Abottom%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E6%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253C%2525252525252525252Ftr%2525252525252525253E%2525252525252525253Ctr%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253EA%2525252525252525253D%25252525252525252520C%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253E%2525252525252525253Chr%25252525252525252520class%2525252525252525253Du2%2525252525252525253E%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253E%25252525252525252520%2525252525252525253D84%25252525252525252520i%25252525252525252520w%25252525252525252520zasadzie%25252525252525252520to%25252525252525252520jest%25252525252525252520jedyna%25252525252525252520%25252525252525252520mo%252525252525252525C5%252525252525252525BCliwo%252525252525252525C5%2525252525252525259B%252525252525252525C4%25252525252525252587%25252525252525252520bo%25252525252525252520je%252525252525252525C5%252525252525252525BCeli%25252525252525252520pierwsz%252525252525252525C4%25252525252525252585%25252525252525252520cyfr%252525252525252525C4%25252525252525252585%25252525252525252520b%252525252525252525C4%25252525252525252599dzie%252525252525252525204%25252525252525252520to%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253C%2525252525252525252Ftr%2525252525252525253E%2525252525252525253Ctr%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520vertical-align%2525252525252525253Atop%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E9%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253C%2525252525252525252Ftr%2525252525252525253E%2525252525252525253C%2525252525252525252Ftable%2525252525252525253E%25252525252525252520dwie%25252525252525252520pozosta%252525252525252525C5%25252525252525252582e%25252525252525252520b%252525252525252525C4%25252525252525252599d%252525252525252525C4%25252525252525252585%25252525252525252520inne%25252525252525252520ni%252525252525252525C5%252525252525252525BC%252525252525252525200%25252525252525252520bo%25252525252525252520zero%25252525252525252520nie%25252525252525252520wchodzi%25252525252525252520do%25252525252525252520zbioru%2525252525252525250A%2525252525252525250A%2525252525252525253Ctable%25252525252525252520cellspacing%2525252525252525253D%252525252525252525220%25252525252525252522%25252525252525252520style%2525252525252525253D%25252525252525252522position%2525252525252525253Arelative%2525252525252525253B%25252525252525252520margin-top%2525252525252525253A0px%2525252525252525253B%25252525252525252520margin-bottom%2525252525252525253A0px%2525252525252525253B%25252525252525252520padding-bottom%2525252525252525253A0px%2525252525252525253B%25252525252525252520text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252522%2525252525252525253E%2525252525252525253Ctr%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520vertical-align%2525252525252525253Abottom%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E84%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253C%2525252525252525252Ftr%2525252525252525253E%2525252525252525253Ctr%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253EP(A)%2525252525252525253D%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253E%2525252525252525253Chr%25252525252525252520class%2525252525252525253Du2%2525252525252525253E%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E%2525252525252525253Cdiv%25252525252525252520class%2525252525252525253D%25252525252525252522u1%25252525252525252522%2525252525252525253E%2525252525252525253C%2525252525252525252Fdiv%2525252525252525253E%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253C%2525252525252525252Ftr%2525252525252525253E%2525252525252525253Ctr%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%25252525252525252520style%2525252525252525253D%25252525252525252522text-align%2525252525252525253Acenter%2525252525252525253B%25252525252525252520vertical-align%2525252525252525253Atop%2525252525252525253B%25252525252525252520white-space%2525252525252525253A%25252525252525252520pre%25252525252525252522%2525252525252525253E504%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253Ctd%2525252525252525253E%25252525252525252526nbsp%2525252525252525253B%2525252525252525253C%2525252525252525252Ftd%2525252525252525253E%2525252525252525253C%2525252525252525252Ftr%2525252525252525253E%2525252525252525253C%2525252525252525252Ftable%2525252525252525253E%2525252525252525250A