Author Question: Which of the following will not change the width of a confidence interval? 1.Increasing the ... (Read 145 times)

storky111 · **on:** Jul 24, 2018

Which of the following will not change the width of a confidence interval?
1.Increasing the population size from 100,000 to 200,000.
2.Increasing the confidence level from 90 to 95.
3.Increasing the sample size from 1,000 to 2,000.

Question 2

A study was conducted to learn about vegetarianism among men and women. Independent random samples of 434 U.S. women and 747 U.S. men were obtained. Of those sampled, 195 women and 276 men said that they sometimes order a dish without meat, fish or fowl when they eat out. Based on the 95 confidence interval of (0.02, 0.14), is it reasonable to conclude that the population proportions who
sometimes order a dish without meat,
fish or fowl when they eat out differ for
women and men?

1.Yes
2.No