Question: Data from Ivy Tech's advising center shows the wait times as a normal distribution with the average as 20 min and a standard deviation as

Data from Ivy Tech's advising center shows the wait times as a normal distribution with the average as 20 min and a standard deviation as 5 min.

Using the empirical rule, what percent of students wait between 15 and 25 minutes?

What percent wait more than 20 min?

Using the empirical rule, what is the chance that someone waits less than 5 min?

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