Renee wants to estimate the percentage of people who lease a car. She surveys150

individuals and finds that33

lease a car.

Find the confidence interval for the population proportion with a90%

confidence level.

z

0.10

z

0.05

z

0.025

z

0.01

z

0.005

1.282

1.645

1.960

2.326

2.576

Use the table of commonz

-scores above.

• Round the final answer to three decimal places.