Math, asked by Santanubehera, 1 year ago

the probability that rajesh will score more than 90 mark in class test is 0.75 what is the probability that rajesh will secure more than 90 mark in 3 out of 4 class test ?

Answers

Answered by Anonymous
1
Probability of scoring more than 90 is 0.75
Probability of not scoring more than 90 is 0.25
Probability of scoring more than 90 in 3 test is 0.75×0.75×0.75×0.25=0.1055

Hope this helps:p
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