OpenStax, Introductory Statistics 2e §6.1 The Standard Normal Distribution · Exercise 44 · Statistics · Normal distribution
The Standard Normal Distribution · Exercise 44
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.
What is the z-score for a patient who takes ten days to recover?
(a) 1.5
(b) 0.2
(c) 2.2
(d) 7.3
OpenStax, Introductory Statistics 2e · §6.1 The Standard Normal Distribution · Exercise 44
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