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If four dice are thrown together then probability of getting prime numberson exactly two of them is


P. Sai Srinivas 20th Feb, 2021
Answer (1)
shelly 20th Feb, 2021

Dear Student,

N(Sample space )=(1,2,3,4,5,6)

Probability of getting prime number on exactly two dice

N(A)=(1,1),(1,2),(1,3),(1,5),(2,1),(2,2),(2,3),(2,5),(3,1),(3,2),(3,3),(5,1),(5,2),(5,3),(5,5)

N(probability)=N(A)/N(s)

Since the question is about two dice

So N(s)=36

So answer will be 15/36

2 Comments
Comments (2)
20th Feb, 2021
Thanks for answering my question
Reply
20th Feb, 2021
P. Sai Srinivas Welcome
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