a group of four 70-year old men, the probability distribution for the number who live through the

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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For a group of four 70-year old men, the probability distribution for the number a who live through the
next year is as given in the table below.
x
P(x)
0
0.0196
1
0.1310
2
0.3289
3 0.3670
4 0.1535
Verify that the table is indeed a probability distribution. Then find the expected value.
Expected Value = 2.5038
X
Report answer
accurate to 1 decimal place.
Transcribed Image Text:For a group of four 70-year old men, the probability distribution for the number a who live through the next year is as given in the table below. x P(x) 0 0.0196 1 0.1310 2 0.3289 3 0.3670 4 0.1535 Verify that the table is indeed a probability distribution. Then find the expected value. Expected Value = 2.5038 X Report answer accurate to 1 decimal place.
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