SOLUTION: in any attempt to make a phone call to a rural school, the probability of 0,8 success exists, due to the existing connectivity challenges. Calculate the probability of attaining

Question 1196305: in any attempt to make a phone call to a rural school, the probability of 0,8 success exists, due to the
existing connectivity challenges. Calculate the probability of attaining 7 successes in 10 attempts
Answer by ikleyn(52847) (Show Source): You can put this solution on YOUR website!
.

In your post, write for the probability instead of your mistakenly written 0,8.

It is a typical binomial distribution probability problem.


Use the standard formula


    P(n=10; k=7; p=0.8) =  =  =  = 0.2013  (rounded).    ANSWER

Solved.

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