Question

Q4. A researcher would like to test whether there is any significant difference between the proportion of safety consciousness of men and women while driving a car. In a sample of 300 men, 130 said that they used seat belts. In a sample of 300 women, 90 said that they used seat belts. Test the claim that there is no significant difference between the proportion of safety consciousness of men and women while driving a car at 5% level of significance. (Given that Z0.025 = 1.96)

Answer 1

Answer:

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Test the claim that men are more safety- conscious than women, at α α = 0.05 level of significance. b. Find a 95% confidence interval for the