OpenStax, Statistics §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 on 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.
OpenStax, Statistics · §6.2 Using the Normal Distribution · Exercise 20
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