Question

Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p.

When 291 college students are randomly selected and surveyed, it is found that 100 own a car. Find a 99% confidence interval for the true proportion of all college students who own a car.

Group of answer choices

0.272 < p < 0.415

0.279 < p < 0.409

0.289 < p < 0.398

0.298 < p < 0.389

Answer 1

Confidence interval for proportion calculation.

Lower bound = 0.272

Upper bound = 0.415