Question

Two dice are rolled simultaneously.find the probability (a) of event A that the sum of the digits on the upper faces is a prime number (b) of event B that the sum of the digits on the upper faces is a multiple of 5.​

Answer 1

Answer:

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Answer 2

n(A) = 15

n(B) = 7

P(A) = n(A)/ n(s)

= 15/36

= 5/12 (divided by 3)

P(A) = 5/12

P(B) = n(B)/n(s)

= 7/36

P(B) = 7/36