SOLUTION: Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still operating with a probability of 0.70 and has failed with

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Question 723655: Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still operating with a probability of 0.70 and has failed with a probability of 0.30.
What is the probability that fewer than 40 batteries will last at least 8 hours?
A. 0.7986
B. 0.9211
C. 0.9598
D. 0.0789

Answer by lynnlo(4176)   (Show Source): You can put this solution on YOUR website!

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