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A grocery store owner claims that the mean amount spent per checkout is at least AED 700. We test the hypothesis Ho: 2700 versus H₁: <700. The null hypothesis is rejected. State the appropriate conclusion. There is enough evidence to conclude that the mean checkout amount is greater than or equal AED 700. The mean checkout amount is at most AED 700. The mean checkout amount is greater than AED 700. O There is not enough evidence to conclude that the mean checkout amount is at least AED 700.

A grocery store owner claims that the mean amount spent per checkout is at least AED 700. We test the hypothesis Ho: 2700 versus H₁: <700. The null hypothesis is rejected. State the appropriate conclusion. There is enough evidence to conclude that the mean checkout amount is greater than or equal AED 700. The mean checkout amount is at most AED 700. The mean checkout amount is greater than AED 700. O There is not enough evidence to conclude that the mean checkout amount is at least AED 700.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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QUESTION 26 A grocery store owner claims that the mean amount spent per checkout is at least AED 700. We test the hypothesis Ho: 700 versus H₁: <700. The null hypothesis is rejected. State the appropriate conclusion. There is enough evidence to conclude that the mean checkout amount is greater than or equal AED 700. The mean checkout amount is at most AED 700. The mean checkout amount is greater than AED 700. O There is not enough evidence to conclude that the mean checkout amount is at least AED 700.
Transcribed Image Text:QUESTION 26 A grocery store owner claims that the mean amount spent per checkout is at least AED 700. We test the hypothesis Ho: 700 versus H₁: <700. The null hypothesis is rejected. State the appropriate conclusion. There is enough evidence to conclude that the mean checkout amount is greater than or equal AED 700. The mean checkout amount is at most AED 700. The mean checkout amount is greater than AED 700. O There is not enough evidence to conclude that the mean checkout amount is at least AED 700.
QUESTION 27 The average score on Midterm Exam over the past years was 80. With new teaching curriculum introduced, it is believed that this score will change. A random sample of 20 students is selected and the mean score was found to be 75 with a standard deviation of 15. Assume the scores are normally distributed, what is the corresponding p- value of the test? 1
Transcribed Image Text:QUESTION 27 The average score on Midterm Exam over the past years was 80. With new teaching curriculum introduced, it is believed that this score will change. A random sample of 20 students is selected and the mean score was found to be 75 with a standard deviation of 15. Assume the scores are normally distributed, what is the corresponding p- value of the test? 1
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