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Find the probability that the average amount paid by the sample of households exceeds $50.

Find the probability that the average amount paid by the sample of households exceeds $50.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Find the probability that the average amount paid by the sample of households exceeds $50.
The amount that households pay service providers for access to the Internet varies quite a bit, but the mean monthly fee is $48 and the standard deviation is $20. The distribution is not normal: Many households pay a base rate for low-speed access, but some pay much more for faster connections. A sample survey askS an SRS of 500 households with Internet acess how much they pay per month. Let x be the mean amount paid by the members of the sample.
Transcribed Image Text:The amount that households pay service providers for access to the Internet varies quite a bit, but the mean monthly fee is $48 and the standard deviation is $20. The distribution is not normal: Many households pay a base rate for low-speed access, but some pay much more for faster connections. A sample survey askS an SRS of 500 households with Internet acess how much they pay per month. Let x be the mean amount paid by the members of the sample.
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