a-researcher-collects-a-simple-random-sample-of-waiting-times-in-minutes-for-a-p-33e8d702

Question

A researcher collects a simple random sample of waiting times in minutes for a popular amusement park ride. A confidence level of $95 percent sign$ was used. The researcher used a calculator for analysis, as shown in the figure.

At the confidence level of $95 percent sign$ , what is the critical value $t sub alpha over 2$ ?

Confidence interval (33.49, 37.41), mean 35.45, standard deviation 6.13, sample size 40.

At the confidence level of $95 percent sign$ , what is the critical value $t sub alpha over 2$ ?

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