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Assume that all variable are approximately | Ch 7.2 - 17E

Elementary Statistics: A Step By Step Approach | 9th Edition | ISBN: 9780073534985 | Authors: Allan Bluman ISBN: 9780073534985 75

Solution for problem 17E Chapter 7.2

Elementary Statistics: A Step By Step Approach | 9th Edition

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Elementary Statistics: A Step By Step Approach | 9th Edition | ISBN: 9780073534985 | Authors: Allan Bluman

Elementary Statistics: A Step By Step Approach | 9th Edition

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Problem 17E

Assume that all variable are approximately normally distributed.

Costs for a 30-Second Spot on Cable Television The approximate costs for a 30-second spot for various cable networks in a random selection of cities are shown below. Estimate the true population mean cost for a 30- second advertisement on cable network with 90% confidence. 32.0<μ<71. Assumenormal distribution.

14

55

165

9

15

66

23

30

150

22

12

13

54

73

55

41

78

 

Source: www.spotrunner.com

Step-by-Step Solution:

   Solution:

  Step 1 of 2:

           The given data is

     

X

  14

55

165

9

15

66

23

30

150

22

12

13

54

73

55

41

78

= 875

We have to estimate the true population mean cost of a 30- second advertisement on cable network with 90% confidence.

 

Step 2 of 2

Chapter 7.2, Problem 17E is Solved
Textbook: Elementary Statistics: A Step By Step Approach
Edition: 9
Author: Allan Bluman
ISBN: 9780073534985

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Assume that all variable are approximately | Ch 7.2 - 17E

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