Statistics questions Notes 21

MATH 245

1.The margin of error will decrease, making the confidence interval smaller.

2.The confidence interval

3.There is a 95% chance that the confidence interval 52%<p<60% contains the true value of p, the proportion of all Americans who believe it is the government’s responsibility to fully fund health care.

4.Yes, because based on the endpoints of the confidence interval, it is possible that is greater than 1 ppm.

5.The confidence interval includes 101.0, so we fail to reject the null hypothesis and conclude that there is no significant difference between and the original mean of 101.0

μ

μ