Suppose that a market research analyst for a smartphone company conducts a study of their customers who exceed the time allowance included on their basic contract. The analyst finds that for those people who exceed the time included in their basic contract has a mean of 22 minutes and has a standard deviation of 2.2. Consider a random sample of 75 customers who exceed the time allowance included in their basic cell phone contract. Find the 90th percentile for the sample mean excess time for samples of 75 customers who exceed their basic contract time allowances.
Suppose that a market research analyst for a smartphone company conducts a study of their customers who exceed the time allowance included on their basic contract. The analyst finds that for those people who exceed the time included in their basic contract has a mean of 22 minutes and has a standard deviation of 2.2. Consider a random sample of 75 customers who exceed the time allowance included in their basic cell phone contract. Find the 90th percentile for the sample mean excess time for samples of 75 customers who exceed their basic contract time allowances.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Suppose that a market research analyst for a smartphone company conducts a study of their customers who exceed the time allowance included on their basic contract. The analyst finds that for those people who exceed the time included in their basic contract has a
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