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The lifetime of a certain kind of battery is exponentially distributed, with an average lifetime of...

The lifetime of a certain kind of battery is exponentially distributed, with an average lifetime of 25 hours. 12. Draw a graph to represent the probability that the average lifetime of 16 batteries is between 20 and 25 hours. Shade an appropriate region. (See Question 8) Question #8 says: Find the probability that the average lifetime of 16 batteries is between 20 and 25 hours.

Math   Statistics-And-Probability   
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