Question

refer to the accompanying data display that results from a simple random sample of times (minutes) between eruptions of the old faithful geyser. the confidence level of 95% was used. complete parts (a) and (b) below. a. express the confidence interval in the format that uses the \less than\ symbol. round the confidence interval limits given that the original times are all rounded to one decimal place. □ min < μ < □ min (round to two decimal places as needed.)

Explanation:

Step1: Identify the confidence interval values

The given confidence interval is \((85.74, 91.76)\)

Step2: Express in the required format

We can write it as \(85.74\lt\mu\lt91.76\)

Answer:

\(85.74\) min \(\lt\mu\lt91.76\) min