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Mathematics 7 Online
ee14vpmeena:

If the probability is 0.85 that a fully charged digital camera battery will take 150 or more pictures, find the probabilities that among 18 such batteriesa) 16 will take 150 pictures or more; b) At least 14 will take 150 pictures or more; c) At most 2 will not take 150 pictures or more.

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