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, 121 responded that they drive an Amen 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. > 0.5 H;: p (Type integers or decimais. 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 chi-square distribution because the parameter is a or o, 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. D. The normal distribution because the parameter is a proportion, p, and the model conditions are satisfied. Calculate the test statistic. Test statistic =

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, 121 responded that they drive an Amen 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. > 0.5 H;: p (Type integers or decimais. 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 chi-square distribution because the parameter is a or o, 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. D. The normal distribution because the parameter is a proportion, p, and the model conditions are satisfied. Calculate the test statistic. Test statistic =

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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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Concept explainers

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.

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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, 121 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 x = 0.05 level of significance.
H,: p
0,5
(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 chi-square distribution because the parameter is a or o, 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.
D. The normal distribution because the parameter is a proportion, p, and the model conditions are satisfied.
Calculate the test statistic.
Test statistic =
(Round to two decimal places as needed.)

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