OpenStax, Statistics §7.3 Using the Central Limit Theorem · Exercise 15 · Statistics · Sampling distributions
Using the Central Limit Theorem · Exercise 15
The length of time a particular smartphone's battery lasts follows an exponential distribution with a mean of ten months. A sample of 64 of these smartphones is taken.
Find the probability that the sample mean is between 7 and 11.
OpenStax, Statistics · §7.3 Using the Central Limit Theorem · Exercise 15
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