The lifetime of a super tough AAA battery is normally distributed wit mean of 28.5 hours and standard deviation of 5.3 hours. For a battery selected at random, what is the probability that the lifetime will be? Use given data, requirement and sketch of normal curve labled to solve;
a) 25 hours or less
b) 34 hours or more
c) between 25 and 34 hours© BrainMass Inc. brainmass.com June 3, 2020, 11:52 pm ad1c9bdddf
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The lifetime of a super tough AAA battery is normally distributed wit mean of 28.5 ...
This solution gives the step by step method for computing probabilities based on Z score.