The Google Play app store for smartphones offers hundreds of games to download for free or for a small fee. The ones for which a fee is charged are called paid games. For a random sample of five paid games taken in July 2014 on the Google platform, the following fees were charged: $1.09, $4.99, $1.99, $1.99, $2.99.a. Find a point estimate of the mean fee for paid games available on Google's platform.b. The margin of error at the 95% confidence level for this point estimate is $1.85. Explain what this means.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
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The Google Play app store for smartphones offers hundreds of games to download for free or for a small fee. The ones for which a fee is charged are called paid games. For a random sample of five paid games taken in July 2014 on the Google platform, the following fees were charged: $1.09, $4.99, $1.99, $1.99, $2.99.

a. Find a point estimate of the mean fee for paid games available on Google's platform.

b. The margin of error at the 95% confidence level for this point estimate is $1.85. Explain what this means.

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