For #s 7- 8, refer to the problem 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. 2 3 4 5 P(x) 0.08 0.16 0.32 0.28 0.12 0.04 What is the expected value? 2.32 1.52 0.88 2.00
For #s 7- 8, refer to the problem 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. 2 3 4 5 P(x) 0.08 0.16 0.32 0.28 0.12 0.04 What is the expected value? 2.32 1.52 0.88 2.00
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 1SE: What term is used to express the likelihood of an event occurring? Are there restrictions on its...
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Transcribed Image Text:What is the expected value?
1.22
1.05
1.77
1.50
Transcribed Image Text:For #s 7 - 8, refer to the problem 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.
1
2
4
P(x)
0.08
0.16
0.32
0.28
0.12
0.04
What is the expected value?
2.32
1.52
0.88
2.00
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