Lemma
MediumNormal distribution
OpenStax, Introductory Statistics 2e §6.2 Using the Normal Distribution · Exercise 20 · Statistics · Normal distribution

Using the Normal Distribution · Exercise 20

The length of time it takes to find a parking space at 9 A.M. follows a normal distribution with a mean of five minutes and a standard deviation of two minutes.

Based upon the given information and numerically justified, would you be surprised if it took less than one minute to find a parking space?

(a) Yes
(b) No
(c) Unable to determine

Its source prints no answer for this problem, so there's nothing to check against.

~8 minWritten answer · compare with the solution

OpenStax, Introductory Statistics 2e · §6.2 Using the Normal Distribution · Exercise 20

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