A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 3131 hours and the median is 27.227.2 hours. Twenty-four of the families in the sample turned on the television for 1616 hours or less for the week. The 7th percentile of the data is 1616 hours.

Approximately how many families are in the sample? Round your answer to the nearest integer.

 
 
 
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Step 1

Given:

  • Mean data is, 31 hours.
  • The value of median is, 27.2 hours.
  • Number of people turned ON television for 16 hours is 24.
  •  7th percentile of the data is 16 hours.

The objective is to find the total number of families in the sample;

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