SOLUTION: If the probability is 0.88 that a fully charged digital camera battery will take 150 or more pictures, find the probability that among 10 such batteries at least 9 will take 150 pi

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Question 1078774: If the probability is 0.88 that a fully charged digital camera battery will take 150 or more pictures, find the probability that among 10 such batteries at least 9 will take 150 pictures or more.
Your answer can be rounded to three decimal digit accuracy when entered.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
For 9 it is 9 ways*0.88^9*0.12=0.3418
For 10, it is .88^10=0.2785
The total is 0.620.