A simple random sample of size n = 200 drivers with a valid driver's license is asked if they drive an American-made automobile. Of the 200 drivers surveyed, 118 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. Determine the null and alternative hypotheses. Họ: H1: (Type integers or decimals. Do not round.) Which distribution should be used for this hypothesis test? O A. The Student's t-distribution because the parameter is the mean, o is not known, and the model conditions are satisfied. O B. The normal distribution because the parameter is a proportion, p, and the model conditions are satisfied. O C. The normal distribution because the parameter is the mean, o is known, and the model conditions are satisfied. O D. The chi-square distribution because the parameter is o or o?, and the model conditions are satisfied.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Question

22

A simple random sample of size n = 200 drivers with a valid driver's license is asked if they drive an American-made automobile. Of the 200 drivers surveyed, 118 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.
.....
Determine the null and alternative hypotheses.
Ho:
H1:
(Type integers or decimals. Do not round.)
Which distribution should be used for this hypothesis test?
A. The Student's t-distribution because the parameter is the mean,
is not known, and the model conditions are satisfied.
B. The normal distribution because the parameter is a proportion, p, and the model conditions are satisfied.
C. The normal distribution because the parameter is the mean, o is known, and the model conditions are satisfied.
D. The chi-square distribution because the parameter is o or o, and the model conditions are satisfied.
Transcribed Image Text:A simple random sample of size n = 200 drivers with a valid driver's license is asked if they drive an American-made automobile. Of the 200 drivers surveyed, 118 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. ..... Determine the null and alternative hypotheses. Ho: H1: (Type integers or decimals. Do not round.) Which distribution should be used for this hypothesis test? A. The Student's t-distribution because the parameter is the mean, is not known, and the model conditions are satisfied. B. The normal distribution because the parameter is a proportion, p, and the model conditions are satisfied. C. The normal distribution because the parameter is the mean, o is known, and the model conditions are satisfied. D. The chi-square distribution because the parameter is o or o, and the model conditions are satisfied.
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