Question
The lifetime of a AAA battery is normally distributed with mean = 26.5 hours and standard deviation = 4.2 hours. (a) For a battery selected
The lifetime of a AAA battery is normally distributed with mean = 26.5 hours and standard deviation = 4.2 hours.
(a) For a battery selected at random, what is the probability that the lifetime will be at least 29 hours? a. __________
(b) For a battery selected at random, what is the probability that the lifetime will be between 25 and 29 hours? b. __________
(c) What is the probability that the mean lifetime of batteries from a package of 13 will be greater than 26 hours?
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From Fourier Analysis To Wavelets
Authors: Jonas Gomes, Luiz Velho
1st Edition
3319220756, 9783319220758
