You want to see if it makes a difference which lane to be in when there is traffic. You randomly observe 324 cars as they pass by on the four lane freeway. The results are displayed in the table below. Use a level of significance of αα = 0.10. Complete the rest of the table by filling in the expected frequencies: Frequency of Cars in Each Lane Outcome Frequency Expected Frequency Lane 1 84 Lane 2 90 Lane 3 71 Lane 4 79 What is the correct statistical test to use? What are the null and alternative hypotheses? H0:H0: The distribution of traffic is uniform. The traffic and lanes are dependent. The distribution of traffic is not uniform. The traffic and lanes are independent. H1:H1: The traffic and lanes are dependent. The distribution of traffic is uniform. The traffic and lanes are independent. The distribution of traffic is not uniform. The degrees of freedom = The test-statistic for this data = (Please show your answer to three decimal places.) The p-value for this sample = (Please show your answer to four decimal places.) The p-value is αα Based on this, we should Thus, the final conclusion is... There is sufficient evidence to conclude that the distribution of traffic is not uniform. There is insufficient evidence to conclude that the distribution of traffic is not uniform. There is sufficient evidence to conclude that the distribution of traffic is uniform. There is sufficient evidence to conclude that traffic and lanes are dependent. There is insufficient evidence to conclude that traffic and lanes are dependent.
You want to see if it makes a difference which lane to be in when there is traffic. You randomly observe 324 cars as they pass by on the four lane freeway. The results are displayed in the table below. Use a level of significance of αα = 0.10. Complete the rest of the table by filling in the expected frequencies: Frequency of Cars in Each Lane Outcome Frequency Expected Frequency Lane 1 84 Lane 2 90 Lane 3 71 Lane 4 79 What is the correct statistical test to use? What are the null and alternative hypotheses? H0:H0: The distribution of traffic is uniform. The traffic and lanes are dependent. The distribution of traffic is not uniform. The traffic and lanes are independent. H1:H1: The traffic and lanes are dependent. The distribution of traffic is uniform. The traffic and lanes are independent. The distribution of traffic is not uniform. The degrees of freedom = The test-statistic for this data = (Please show your answer to three decimal places.) The p-value for this sample = (Please show your answer to four decimal places.) The p-value is αα Based on this, we should Thus, the final conclusion is... There is sufficient evidence to conclude that the distribution of traffic is not uniform. There is insufficient evidence to conclude that the distribution of traffic is not uniform. There is sufficient evidence to conclude that the distribution of traffic is uniform. There is sufficient evidence to conclude that traffic and lanes are dependent. There is insufficient evidence to conclude that traffic and lanes are dependent.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 39E: Assume that the probability that an airplane engine will fail during a torture test is 12and that...
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You want to see if it makes a difference which lane to be in when there is traffic. You randomly observe 324 cars as they pass by on the four lane freeway. The results are displayed in the table below. Use a level of significance of αα = 0.10.
- Complete the rest of the table by filling in the expected frequencies:
Frequency of Cars in Each LaneOutcome Frequency Expected Frequency Lane 1 84 Lane 2 90 Lane 3 71 Lane 4 79 - What is the correct statistical test to use?
- What are the null and alternative hypotheses?
H0:H0:- The distribution of traffic is uniform.
- The traffic and lanes are dependent.
- The distribution of traffic is not uniform.
- The traffic and lanes are independent.
H1:H1:- The traffic and lanes are dependent.
- The distribution of traffic is uniform.
- The traffic and lanes are independent.
- The distribution of traffic is not uniform.
- The degrees of freedom =
- The test-statistic for this data = (Please show your answer to three decimal places.)
- The p-value for this sample = (Please show your answer to four decimal places.)
- The p-value is αα
- Based on this, we should
- Thus, the final conclusion is...
- There is sufficient evidence to conclude that the distribution of traffic is not uniform.
- There is insufficient evidence to conclude that the distribution of traffic is not uniform.
- There is sufficient evidence to conclude that the distribution of traffic is uniform.
- There is sufficient evidence to conclude that traffic and lanes are dependent.
- There is insufficient evidence to conclude that traffic and lanes are dependent.
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