An expensive watch is powered by a 3-volt lithium battery expected to last three years. Suppose the

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An expensive watch is powered by a 3-volt lithium battery expected to last three years. Suppose the life of the battery has a standard deviation of 0.3 year and is normally distributed.

a. Determine the probability that the watch’s battery will last longer than 3.5 years.

b. Calculate the probability that the watch’s battery will last more than 2.75 years.

c. Compute the length-of-life value for which 10% of the watch’s batteries last longer.

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Business Statistics

ISBN: 9781292220383

10th Global Edition

Authors: David Groebner, Patrick Shannon, Phillip Fry

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Question Posted: Sep 19, 2024 06:01 PM

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An expensive watch is powered by a 3-volt lithium battery expected to last three years. Suppose the

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