For numbers 3 to 8, refer to the given situation: Erwin believes that with his current interne subscription, he can download a 750 mb movie in just 14 minutes. In order to test his own cla he took a random sample of 10 downloading time obtained a mean of 14.75 minutes with standard deviation of 1.75 minutes. 3. What are the null and alternate hypotheses? A. Ha: H = 14; Ho: µ # 14 B. Haiu # 14; Ho:µ = 14 C. H:μ< 14; H : μ+ 14 D. Ha:μ< 14; Hg : μ = 14 4. What type of test is appropriate for the situation? A. z-test B. t-test C. x – test D. F-test
For numbers 3 to 8, refer to the given situation: Erwin believes that with his current interne subscription, he can download a 750 mb movie in just 14 minutes. In order to test his own cla he took a random sample of 10 downloading time obtained a mean of 14.75 minutes with standard deviation of 1.75 minutes. 3. What are the null and alternate hypotheses? A. Ha: H = 14; Ho: µ # 14 B. Haiu # 14; Ho:µ = 14 C. H:μ< 14; H : μ+ 14 D. Ha:μ< 14; Hg : μ = 14 4. What type of test is appropriate for the situation? A. z-test B. t-test C. x – test D. F-test
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![For numbers 3 to 8, refer to the given situation: Erwin believes that with his current internet
subscription, he can download a 750 mb movie in just 14 minutes. In order to test his own claim,
he took a random sample of 10 downloading time obtained a mean of 14.75 minutes with
standard deviation of 1.75 minutes.
3. What are the null and alternate hypotheses?
A. Ha: H = 14; Ho:u # 14
B. HaiH # 14; Ho:H = 14
C. Ha:μ< 14; H: μ+ 14
D. HaiH < 14; Ho:µ = 14
4. What type of test is appropriate for the situation?
A. z-test
C. x – test
00.0
B. t-test
D. F-test
5. What value of the test statistic?
В. -1.79
A. 1.79
C. 1.645
D. -1.64
6. Which of the following is the critical value at a = 0.05?
A. +1.645
7. What is the decision in the test with a = 0.05 level of significance?
A. Accept the null hypothesis.
B. Reject the null hypothesis
C. The given information
B. ±1.96
C. ±1.833
D. +2.262
not enough to make any conclusion](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F61c83869-5714-4f63-81b8-29a65704afd3%2Fd492bc7a-6921-4d43-8ac2-095f67741fb5%2Fk7iisz_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For numbers 3 to 8, refer to the given situation: Erwin believes that with his current internet
subscription, he can download a 750 mb movie in just 14 minutes. In order to test his own claim,
he took a random sample of 10 downloading time obtained a mean of 14.75 minutes with
standard deviation of 1.75 minutes.
3. What are the null and alternate hypotheses?
A. Ha: H = 14; Ho:u # 14
B. HaiH # 14; Ho:H = 14
C. Ha:μ< 14; H: μ+ 14
D. HaiH < 14; Ho:µ = 14
4. What type of test is appropriate for the situation?
A. z-test
C. x – test
00.0
B. t-test
D. F-test
5. What value of the test statistic?
В. -1.79
A. 1.79
C. 1.645
D. -1.64
6. Which of the following is the critical value at a = 0.05?
A. +1.645
7. What is the decision in the test with a = 0.05 level of significance?
A. Accept the null hypothesis.
B. Reject the null hypothesis
C. The given information
B. ±1.96
C. ±1.833
D. +2.262
not enough to make any conclusion
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