Use the data in Example 3 to construct a 99% confidence interval for the population proportion of

Question:

Use the data in Example 3 to construct a 99% confidence interval for the population proportion of adults who think that people over 65 are the more dangerous drivers.

a. Find p̂ and q̂.

b. Verify that the sampling distribution of p̂ can be approximated by a normal distribution.

c. Find z_c and E.

d. Use p̂ and E to find the left and right endpoints of the confidence interval.

e. Interpret the results.

Data in Example 3

The figure at the right is from a survey of 498 U.S. adults. Construct a 99% confidence interval for the population proportion of U.S. adults who think that teenagers are the more dangerous drivers.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...