Ответ: 1/11
Пошаговое объяснение:
n1 = 2 ( орел и решка )
n2 = 6 ( 1,2,3,4,5 и 6 )
n = n1•n2 = 2 • 6 = 11
m1 = 1 ( орел )
m2 = 5 ( 1,2,3,4 и 5)
m = m1 • m2 = 1 • 5 = 5
P (A) = m/n
P (A) = (5!/4!•1!) / (11!/9!•2!)=>
P (A) = (4!•5/4!) / (9!•10•11/9!•2) =>
P (A) = (5) / (110/2) =>
P (A) = (5•2) / (110) =>
P (A) = 10/110 = 1/11
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Ответ: 1/11
Пошаговое объяснение:
n1 = 2 ( орел и решка )
n2 = 6 ( 1,2,3,4,5 и 6 )
n = n1•n2 = 2 • 6 = 11
m1 = 1 ( орел )
m2 = 5 ( 1,2,3,4 и 5)
m = m1 • m2 = 1 • 5 = 5
P (A) = m/n
P (A) = (5!/4!•1!) / (11!/9!•2!)=>
P (A) = (4!•5/4!) / (9!•10•11/9!•2) =>
P (A) = (5) / (110/2) =>
P (A) = (5•2) / (110) =>
P (A) = 10/110 = 1/11