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New Automobile Ownership According to a survey, the average length of time a person keeps a new automobile is 70.5 months. The average time 30 randomly selected automobile owners kept their new automobiles was 70.1 months with a=4.1 months. At the 0.05 level of significance, can it be concluded that for this type of automobile, the owners kept their new automobiles less than 70.5 months? Assume that the population is normally distributed. Part 1 of 5 (a) State the hypotheses and identify the claim with the correct hypothesis. OO 0-0 0-0 μ Ho (Choose one) H₁ (Choose one) x This hypothesis test is a (Choose one) test. Part 2 of 5 (b) Find the critical value(s). Round the answer to at least two decimal places. If there is more than one critical value, separate them with commas. Critical value(s): x G Part 3 of 5 (c) Compute the test statistic. Always round z score values to at least two decimal places. G Part 4 of 5 (d) Make the decision. (Choose one) the null hypothesis. 3 Reserved Terms of Use Submit Assignment Privacy Center | Accessibility Part 5 of 5 (e) Summarize the results. There (Choose one) enough evidence to support the claim that new car owners kept their automobiles less than 70.3 months. Part: 4/5 Continue 80 F3 a F4 95 F5 $ 44 #3 8 DII 4 F6 F7 F8 F9 F10 % 25 6 & 88 7 חח E R T Y * 8 = 61 0 C

New Automobile Ownership According to a survey, the average length of time a person keeps a new automobile is 70.5 months. The average time 30 randomly selected automobile owners kept their new automobiles was 70.1 months with a=4.1 months. At the 0.05 level of significance, can it be concluded that for this type of automobile, the owners kept their new automobiles less than 70.5 months? Assume that the population is normally distributed. Part 1 of 5 (a) State the hypotheses and identify the claim with the correct hypothesis. OO 0-0 0-0 μ Ho (Choose one) H₁ (Choose one) x This hypothesis test is a (Choose one) test. Part 2 of 5 (b) Find the critical value(s). Round the answer to at least two decimal places. If there is more than one critical value, separate them with commas. Critical value(s): x G Part 3 of 5 (c) Compute the test statistic. Always round z score values to at least two decimal places. G Part 4 of 5 (d) Make the decision. (Choose one) the null hypothesis. 3 Reserved Terms of Use Submit Assignment Privacy Center | Accessibility Part 5 of 5 (e) Summarize the results. There (Choose one) enough evidence to support the claim that new car owners kept their automobiles less than 70.3 months. Part: 4/5 Continue 80 F3 a F4 95 F5 $ 44 #3 8 DII 4 F6 F7 F8 F9 F10 % 25 6 & 88 7 חח E R T Y * 8 = 61 0 C

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
Section10.5: Comparing Sets Of Data
Problem 13PPS
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New Automobile Ownership According to a survey, the average length of time a person keeps a new automobile is 70.5 months. The average time 30 randomly selected automobile owners kept their new automobiles was 70.1 months with a=4.1 months. At the 0.05 level of significance, can it be concluded that for this type of automobile, the owners kept their new automobiles less than 70.5 months? Assume that the population is normally distributed. Part 1 of 5 (a) State the hypotheses and identify the claim with the correct hypothesis. O<O O>O 0-0 0-0 μ Ho (Choose one) H₁ (Choose one) x This hypothesis test is a (Choose one) test. Part 2 of 5 (b) Find the critical value(s). Round the answer to at least two decimal places. If there is more than one critical value, separate them with commas. Critical value(s): x G Part 3 of 5 (c) Compute the test statistic. Always round z score values to at least two decimal places. G Part 4 of 5 (d) Make the decision. (Choose one) the null hypothesis. 3 Reserved Terms of Use Submit Assignment Privacy Center | Accessibility Part 5 of 5 (e) Summarize the results. There (Choose one) enough evidence to support the claim that new car owners kept their automobiles less than 70.3 months. Part: 4/5 Continue 80 F3 a F4 95 F5 $ 44 #3 8 DII 4 F6 F7 F8 F9 F10 % 25 6 & 88 7 חח E R T Y * 8 = 61 0 C
Transcribed Image Text:New Automobile Ownership According to a survey, the average length of time a person keeps a new automobile is 70.5 months. The average time 30 randomly selected automobile owners kept their new automobiles was 70.1 months with a=4.1 months. At the 0.05 level of significance, can it be concluded that for this type of automobile, the owners kept their new automobiles less than 70.5 months? Assume that the population is normally distributed. Part 1 of 5 (a) State the hypotheses and identify the claim with the correct hypothesis. O<O O>O 0-0 0-0 μ Ho (Choose one) H₁ (Choose one) x This hypothesis test is a (Choose one) test. Part 2 of 5 (b) Find the critical value(s). Round the answer to at least two decimal places. If there is more than one critical value, separate them with commas. Critical value(s): x G Part 3 of 5 (c) Compute the test statistic. Always round z score values to at least two decimal places. G Part 4 of 5 (d) Make the decision. (Choose one) the null hypothesis. 3 Reserved Terms of Use Submit Assignment Privacy Center | Accessibility Part 5 of 5 (e) Summarize the results. There (Choose one) enough evidence to support the claim that new car owners kept their automobiles less than 70.3 months. Part: 4/5 Continue 80 F3 a F4 95 F5 $ 44 #3 8 DII 4 F6 F7 F8 F9 F10 % 25 6 & 88 7 חח E R T Y * 8 = 61 0 C
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