Mathematics, 16.04.2020 18:38 jayjay5246
Suppose that time spent on hold per call with customer service at a large telecom company is normally distributed with a mean µ = 8 minutes and standard deviation σ = 2.5 minutes. If you select a random sample of 25 calls (n=25), What is the probability that the sample mean is between 7.8 and 8.2 minutes? If you select a random sample of 100 calls (n=100), what is the probability that the sample mean is between 7.8 and 8.2 minutes?
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Suppose that time spent on hold per call with customer service at a large telecom company is normall...
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