Prior to the start of the season, it was expected that audience proportions for the four major news networks would be CBS- 28%, NBC -35%, ABC- 22%, and BBC- 15%. A recent sample of homes yielded the following viewing audience data. Network Number of Homes CBS 850 NBC 980 ABC 670 BBC 500 We want to determine whether or not the recent sample supports the expectations of the number of homes of the viewing audience of the four networks. a. State the null and alternative hypotheses to be tested. b. Compute the test statistic. c. The null hypothesis is to be tested at a 5% level of significance. Determine the critical value for this test. d. What do you conclude?
Prior to the start of the season, it was expected that audience proportions for the four major news networks would be CBS- 28%, NBC -35%, ABC- 22%, and BBC- 15%. A recent sample of homes yielded the following viewing audience data. Network Number of Homes CBS 850 NBC 980 ABC 670 BBC 500 We want to determine whether or not the recent sample supports the expectations of the number of homes of the viewing audience of the four networks. a. State the null and alternative hypotheses to be tested. b. Compute the test statistic. c. The null hypothesis is to be tested at a 5% level of significance. Determine the critical value for this test. d. What do you conclude?
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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Prior to the start of the season, it was expected that audience proportions for the four major
news networks would be
CBS- 28%, NBC -35%, ABC- 22%, and BBC- 15%.
A recent sample
of homes yielded the following viewing audience data.
Network Number of Homes
CBS 850
NBC 980
ABC 670
BBC 500
We want to determine whether or not the recent sample supports the expectations of the
number of homes of the viewing audience of the four networks.
a.
State the null and alternative hypotheses to be tested.
b.
Compute the test statistic.
c.
The null hypothesis is to be tested at a 5% level of significance. Determine the critical
value for this test.
d.
What do you conclude?
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