Television viewing habits are changing. In January 2019, Hub Entertainment Research (https://www.marketingcharts.com/Industries/media-and-entertainment-108210) asked consumers, "Which networks/sources would you keep if you could only keep some?" Using this Information, In the top four choices, 37% of all viewers would keep Netflix, 21% would keep CBS, 21% would keep ABC, and 21% would keep NBC. A random sample of 120 viewers who were 35 years or older showed that 30 would keep ABC, 30 would keep CBS, 30 would keep NBC, and 30 would keep Netflix. a. Select the null hypothesis and the alternate hypothesis. H: The proportions are as stated and H₁: The proportions are not as stated. HÅ: The proportions are not as stated and H₁: The proportions are as stated. HÅ: The proportions are equal and H₁: The proportions are not equal. ○ HÅ: The proportions are not equal and H₁: The proportions are equal. b. State the decision rule using 0.05 significance level. (Round your answer to 3 decimal places.) Reject Ho if chi-square > c. Compute the value of chi-square. (Round your answer to 4 decimal places.) Chi-square value

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
Question
Television viewing habits are changing. In January 2019, Hub Entertainment Research
(https://www.marketingcharts.com/Industries/media-and-entertainment-108210) asked consumers, "Which networks/sources would you
keep if you could only keep some?" Using this Information, In the top four choices, 37% of all viewers would keep Netflix, 21% would
keep CBS, 21% would keep ABC, and 21% would keep NBC. A random sample of 120 viewers who were 35 years or older showed that
30 would keep ABC, 30 would keep CBS, 30 would keep NBC, and 30 would keep Netflix.
a. Select the null hypothesis and the alternate hypothesis.
H: The proportions are as stated and H₁: The proportions are not as stated.
HÅ: The proportions are not as stated and H₁: The proportions are as stated.
HÅ: The proportions are equal and H₁: The proportions are not equal.
○ HÅ: The proportions are not equal and H₁: The proportions are equal.
b. State the decision rule using 0.05 significance level. (Round your answer to 3 decimal places.)
Reject Ho if chi-square >
c. Compute the value of chi-square. (Round your answer to 4 decimal places.)
Chi-square value
Transcribed Image Text:Television viewing habits are changing. In January 2019, Hub Entertainment Research (https://www.marketingcharts.com/Industries/media-and-entertainment-108210) asked consumers, "Which networks/sources would you keep if you could only keep some?" Using this Information, In the top four choices, 37% of all viewers would keep Netflix, 21% would keep CBS, 21% would keep ABC, and 21% would keep NBC. A random sample of 120 viewers who were 35 years or older showed that 30 would keep ABC, 30 would keep CBS, 30 would keep NBC, and 30 would keep Netflix. a. Select the null hypothesis and the alternate hypothesis. H: The proportions are as stated and H₁: The proportions are not as stated. HÅ: The proportions are not as stated and H₁: The proportions are as stated. HÅ: The proportions are equal and H₁: The proportions are not equal. ○ HÅ: The proportions are not equal and H₁: The proportions are equal. b. State the decision rule using 0.05 significance level. (Round your answer to 3 decimal places.) Reject Ho if chi-square > c. Compute the value of chi-square. (Round your answer to 4 decimal places.) Chi-square value
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