A simple random sample of sizen=200 drivers with a valid driver's license is asked if they drive an American-made automobile. Of the 200 drivers surveyed, 103 responded that they drive an American-made automobile. Determine if a majority of those with a valid driver's license drive an American-made automobile at the a= 0.05 level of significance. O A. Hypothesis test on a population mean O B. Hypothesis test on a population proportion O C. Hypothesis test on a population standard deviation Determine the null and alternative hypotheses. Họ: H,: (Type integers or decimals. Do not round.) Which distribution should be used for this hypothesis test? O A The chi-square distribution because the parameter is o or o?, and the model conditions are satisfied. O B. The Student's t-distribution because the parameter is the mean, o is not known, and the model conditions are satisfied. OC. The normal distribution because the parameter is a proportion, p, and the model conditions are satisfied. O D. The normal distribution because the parameter is the mean, o is known, and the model conditions are satisfied. Calculate the test statistic. Test statistic = (Round to two decimal places as needed.) Calculate the P-value. P-value =O (Round to three decimal places as needed.) State the conclusion for the test. V Ho. There V sufficient evidence at the a = 0.05 level of significance to conclude that V of all drivers with a valid driver's license drive an American-made automobile.

Claim: A minority of adults would erase all of their personal information online if they could. A software firm survey of 554 randomly selected adults showed that 38% of them would erase all of their personal information online if they could. Complete parts (a) and (b) below. ... a. Express the original claim in symbolic form. Let the parameter represent the adults that would erase their personal information. (Type an integer or a decimal. Do not round.)

This type of error in hypothesis testing is also known as a “false positive” result.A. Type IB. Type AC. Type IID. Type B

Gender of Interviewer         Man Woman     Women who agree   578 314     Women who disagree   322 86   Identify the null and alternative hypotheses. Choose the correct answer below.   A. H0​: The response of the subject and the gender of the subject are independent. H1​: The response of the subject and the gender of the subject are dependent.   B. H0​: The proportions of​ agree/disagree responses are different for the subjects interviewed by men and the subjects interviewed by women. H1​: The proportions are the same.   C. H0​: The proportions of​ agree/disagree responses are the same for the subjects interviewed by men and the subjects interviewed by women. H1​: The proportions are different.   Compute the test statistic. Find the critical​ value(s). What is the conclusion based on the hypothesis​ test?   Fail to reject/ Reject H0.  There is/is not sufficient evidence to warrant rejection of the claim that the…

State Voters Surveyed Alabama Mississippi O Ho: P₁ Ha: P₁ O Ho: P1 Ha: P₁ P₂ = 0 P₂ #0 P₂ > 0 P₂ = 0 809 We want to determine whether or not the proportions of voters favoring the Democratic candidate were the same in both states. (Use Alabama - Mississippi.) (a) Provide the hypotheses. O Ho: P1 P₂20 на: Р1 - P2 < 0 Ho: P1 P₂ <0 Ha: P₁P₂ 20 623 Voters Favoring the Democratic Candidate 444 373 O Ho: P₁ P₂ #0 Ha: P₁ P₂ = 0 (b) Compute the test statistic. (Round your answer to three decimal places.) (c) Determine the p-value and, at a 0.05 level of significance, test the above hypotheses. We do not reject Ho. There is no significant difference. We do not reject Ho. There is a significant difference. O We reject Ho. There is no significant difference. We reject Ho. There is a significant difference. W

ts that 33% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually less than the reported percentage. A random sample of 220 found that 25% of the readers owned a laptop. Is there sufficient evidence at the 0.05 level to support the executive's claim? To get full credits, justify your answer by following steps given below. a) State the null and alternative hypotheses. b) Find the value of the test statistic. Round your answer to two decimal places. c) Specify if the test is one-tailed or two-tailed. d) Determine the �-value of the test statistic. Round your answer to four decimal places. e) Identify the value of the level of significance. f) Make the decision to reject or fail to reject the null hypothesis. g) State the conclusion of the hypothesis test.

Let’s say Mrs. Smith was 72 inches tall, and her question was “Are my students, on average, shorter than I am?”.  What would be the null and alternative hypotheses in this scenario?   A.  Ho: The population average height is less than 72”. Ha: The population average height is greater than or equal to 72”.   B.  Ho: The population average height is greater than or equal to 72”. Ha: The population average height is less than 72”.   C.  Ho: The population average height is less than or equal to 72”. Ha: The population average height is greater than 72”.   D.  Ho: The population average height is greater than 72”. Ha: The population average height is less than 72”.

The smaller the P-value, the ______ support for the alternate hypothesis -More -Less