number of patients treate per d) If a sample of size 15 is taken, what is the expected value of the sample mean? e) If a sample of size 15 is taken, what is the probability the sample mean is greater than 9.5?

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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1) In the year 2033, Manal Elouthmani is a
leading nurse practitioner. Manal is presently
researching the number of patients treated per
hour. Manal develops the following
probability distribution.
Number of patients
treated per hour
3
6
10
12
Probability
0.4
0.3
0.2
0.1
Transcribed Image Text:1) In the year 2033, Manal Elouthmani is a leading nurse practitioner. Manal is presently researching the number of patients treated per hour. Manal develops the following probability distribution. Number of patients treated per hour 3 6 10 12 Probability 0.4 0.3 0.2 0.1
c) What is the mean (expected value) for the
number of patients treated per hour?
d) If a sample of size 15 is taken, what is the
expected value of the sample mean?
e) If a sample of size 15 is taken, what is the
probability the sample mean is greater than
9.5?
Transcribed Image Text:c) What is the mean (expected value) for the number of patients treated per hour? d) If a sample of size 15 is taken, what is the expected value of the sample mean? e) If a sample of size 15 is taken, what is the probability the sample mean is greater than 9.5?
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