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MediumNormal distribution
OpenStax, Introductory Statistics 2e §6.2 Using the Normal Distribution · Exercise 19 · Statistics · Normal distribution

Using the Normal Distribution · Exercise 19

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.3 days and a standard deviation of 2.1 days.

The 90^th percentile for recovery times is?

(a) 8.89
(b) 7.07
(c) 7.99
(d) 4.32

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OpenStax, Introductory Statistics 2e · §6.2 Using the Normal Distribution · Exercise 19

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