A recent survey of 6 social networking sites has a mean of 15.9 million visitors for a specific month. The standard deviation was 3.3 million. Find the 90% confidence interval of the true mean. Assume the variable is normally distributed. Round your answers to at least two decimal places.
A recent survey of 6 social networking sites has a mean of 15.9 million visitors for a specific month. The standard deviation was 3.3 million. Find the 90% confidence interval of the true mean. Assume the variable is normally distributed. Round your answers to at least two decimal places.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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