OpenStax, Introductory Statistics 2e §6.2 Using the Normal Distribution · Exercise 21 · Statistics · Normal distribution
Using the Normal Distribution · Exercise 21
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.
Find the probability that it takes at least eight minutes to find a parking space.
(a) 0.0001
(b) 0.9270
(c) 0.1862
(d) 0.0668
OpenStax, Introductory Statistics 2e · §6.2 Using the Normal Distribution · Exercise 21
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