Let X denotes the number of patients who die at a certain hospital in a day. The following table gives the probability function of X. 1 2. 3 4. P(X = x) 0.3 0.25 0.25 0.15 0.05 The expected number of deaths per day in the hospital is:

A First Course in Probability (10th Edition)
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ISBN:9780134753119
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Chapter1: Combinatorial Analysis
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Let X denotes the number of patients who die at a certain hospital in a day.
The following table gives the probability function of X.
2.
4
P(X = x)
0.3
0.25
0.25
0.15
0.05
The expected number of deaths per day in the hospital is:
1.
3.3
2.4
O 17
O O O O
Transcribed Image Text:Let X denotes the number of patients who die at a certain hospital in a day. The following table gives the probability function of X. 2. 4 P(X = x) 0.3 0.25 0.25 0.15 0.05 The expected number of deaths per day in the hospital is: 1. 3.3 2.4 O 17 O O O O
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