The U.S. Department of Transportation estimates that 10% of Americans carpool. Does that imply that 10% of cars will have two or moreoccupants? A sample of 300 cars traveling southbound on the New Jersey Turnpike yesterday revealed that 63 had two or moreoccupants. At the 0.01 significance level, can we conclude that 10% of cars traveling on the New Jersey Turnpike have two or moreoccupants?a. State the null hypothesis and the alternate hypothesis. (Round your answers to 2 decimal places.)HO: TT SH1: TT>b. State the decision rule.O He is rejected if z < 2.326Ha is rejected if z > 2.326 c. Compute the value of the test statistic. (Round your answer to 2 decimal places.)Value of the test statisticd. What is your decision regarding H₂?Reject HoO Do not reject Hoe. Can we conclude that 10% of cars traveling on the New Jersey Turnpike have two or more occupants?

The sample size is 300The number of successes is 63We have to test whether 10% of cars travelling on…

Answered: The U.S. Department of Transportation…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose that in random selection of 100 colored candies, 20% of them are blue. The candy company claims that the percentage of blue candies is equal to 26%. Use a 0.01 significance level to test that claim. Identify the null and alternative hypotheses for this test. Choose the correct answer below. OA. Ho: P# 0.26 H₁: p= 0.26 B. Ho: p=0.26 H₁:p # 0.26 OC. Ho: p= 0.26 H₁: p > 0.26 O D. Ho: p= 0.26 H₁: p<0.26 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.) ←
Suppose that in a random selection of 100 colored candies, 23% of them are blue. The candy company claims that the percentage of blue candies is equal to 28%. Use a 0.10 significance level to test that claim. Identify the null and alternative hypotheses for this test. Choose the correct answer below. A.H0:p=0.28 H1:p>0.28 B. H0:p≠0.28H1:p=0.28 C. H0:p=0.28H1:p<0.28 D.H0:p=0.28H1:p≠0.28 -Identify the test statistic for this hypothesis test. -Identify the P-value for this hypothesis test. -Identify the conclusion for this hypothesis test. A. Fail to reject H0. There is sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 28% B. Reject H0. There is not sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 28% C. Fail to reject H0. There is not sufficient evidence to warrant rejection of the claim that the percentage of blue…
Suppose that in a random selection of 100 colored candies, 23% of them are blue. The candy company claims that the percentage of blue candies is equal to 29%. Use a 0.05 significance level to test that claim. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p=0.29 H1: p>0.29 O B. Ho: p#0.29 H1:p=0.29 O C. Ho: p=0.29 H1:p#0.29 OD. Ho: p=0.29 H1:p<0.29 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is . (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test. O A. Reject Ho. There is sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 29% O B. Fail to reject Ho. There is sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 29%
22
As winter is here and I love planting my winter garden. I have planted my winter vegetables ( Broccoli, Artichoke, Cauliflower, ect.), on average 10 neighbors plant a garden during winter. I asked 20 neighbors of they were going to plant their winter gardens and 12 of them said yes. Test this hypothesis at .05 significance level. Assume a random sample.
A social scientist sampled 140 people and classified them according to income level and whether or not they played the lottery (LOTTO) in the last month. The sample information is reported below. Is it reasonable to conclude that playing the lottery is related to income level? Use the .05 significance level. INCOME LOW MIDDLE HIGH TOTAL PLAYED 46 48 21 115 DID NOT PLAY 14 12 19 45 TOTAL 60 60 40 140 a. State the null hypothesis and the alternate hypothesis.b. What is the decision rule?c. Determine the value of chi-square.d. Interpret the results
Suppose that in a random selection of 100 colored candies, 22% of them are blue. The candy company claims that the percentage of blue candies is equal to 30%. Use a 0.10 significance level to test that claim. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p=0.3 H₁: p=0.3 O B. Ho: p=0.3 H₁: p=0.3 C. Ho: p=0.3 H₁: p>0.3 O D. Ho: p=0.3 H₁: p<0.3 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test. A. Reject Ho. There is sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 30% B. Reject Ho. There is not sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 30% O C. Fail to…
A political scientist claims that 38% of first-year college students characterize themselves as being “moderate” or “middle of the road” as far as their political affiliation is concerned. Believing this claimed value is too high, you survey a random sample of 400 first-year college students and find that 120 characterize themselves as being “moderate” or “middle of the road.” Based on this information, what will the test statistic be? Choose the answer below that is closest to what you calculate, and try not to do a lot of rounding until you get to the very end of your calculations. 1. -0.3 2. -1.2 3. -2.6 4. -3.3 5. None of the other answer options are correct because the test statistic should be positive, not negative.
1
Only about 19% of all people can wiggle their ears. Is this percent different for millionaires? Of the 389 millionaires surveyed, 89 could wiggle their ears. What can be concluded at the a = 0.01 level of significance? The null and alternative hypotheses would be: Ho: ? Select an answer (please enter a decimal) Ha: ? Select an answer V (Please enter a decimal)

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