A 90% confidence interval for the mean percentage of airline reservations being canceled on the day of the flight is (1.1%, 3.4%

Question

grandymaker [24]

4 years ago

12

A 90% confidence interval for the mean percentage of airline reservations being canceled on the day of the flight is (1.1%, 3.4%

). what is the point estimator of the mean percentage of reservations that are canceled on the day of the flight?

Mathematics

1 answer:

Anton [14] · Answer 1 · 2021-11-10T03:09:53+03:00

The point estimate would be 2.25%.

Confidence intervals are centered around a point estimate; that is, the point estimate is in the very middle of the confidence interval. We can find the point estimate by averaging both ends of the confidence interval together:

(1.1+3.4)/2 = 2.25.