What do outliers do to the width of a confidence interval? Outliers increase the width Outliers decrease the width Outliers do not affect the width

The Pizza Shop wanted to determine what of its customers ordered an only cheese pizza. Out of 90 customers surveyed, 20 ordered only cheese Pizza. What is the 90% confidence interval of the true proportion of customers who order only cheese Pizza?

Describe three important properties of confidence intervals.

What is the relationship between confidence intervals and hypothesis tests?

We want to determine if the true proportion of students who consume caffeine is not equal to 35%. We can use a confidence interval to determine this. O True False

Explain what happens when finding the margin of error if all stays the sameexcept that the confidence interval increases.

A random sample of high school seniors were asked whether they were applying for college. The resulting confidence interval for the proportion of students applying for college is (0.65,0.69). What is the margin of error?

What happens to the interval width as confidence level increases? Why?

Why would manufacturers or businesses be interested in constructing a confidence interval for the population measure?  Would manufacturers or businesses want large or small margins of error?