#24

In a survey of 2319 adults, 711 say they believe in UFOs.Construct a 95% confidence interval for the population proportion of adults who believe in UFOs.

A 95% confidence interval for the population proportion is (_____,_____)

(Round to three decimal places as needed.)

________________________________________________________________________________________________________________

#26

Find the critical values ²L and ²R for the given confidence level c and sample size n.

c=0.8, n=25

x²L = ________ (round to 3 decimal places as needed).