What is the expected value? a. 2.79 O b. 1.97 O c. 2.97 o d. 1.79 How should the expected value be interpreted?
What is the expected value? a. 2.79 O b. 1.97 O c. 2.97 o d. 1.79 How should the expected value be interpreted?
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
Related questions
Question
10 11
Transcribed Image Text:For nos. 10-13, refer to the situation below.
A hospital researcher is interested in the number of
times the average post-op patient will ring the nurse during a
12-hour shift for a random sample of 50 patients. The
following information was obtained.
0.25
031
0.14
What is the expected value?
o a. 2.79
o b. 1.97
O c. 2.97
o d. 1.79
How should the expected value be interpreted?
a. The average post-op patient will ring the nurse every
hour during a 12-hour shift.
ob.
The average post-op patient will ring the nurse 2 to 3
times during a 12-hour shift.
o . The average post-op patient will never ring the nurse
during a 12-hour shift.
o d. The average post-op patient will ring the nurse 3 to 4
times during a 12-hour shift.
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