1. The Prior to medical visits, patients are asked to complete a self-administered medical history form. The time it takes each patient to complete the form is approximately normally distributed, with a mean of 12.4 minutes and a standard deviation of 2.1 minutes. a) What proportion of patients completes the medical history form in 10 minutes or less? b) What proportion of patients takes 20 minutes or more to complete the medical history form? c) What is the 90th percentile of the time to complete the medical history form?
1. The Prior to medical visits, patients are asked to complete a self-administered medical history form. The time it takes each patient to complete the form is approximately normally distributed, with a mean of 12.4 minutes and a standard deviation of 2.1 minutes. a) What proportion of patients completes the medical history form in 10 minutes or less? b) What proportion of patients takes 20 minutes or more to complete the medical history form? c) What is the 90th percentile of the time to complete the medical history form?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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