For a group of four 70-year old men, the probability distribution for the number z who live through the next year is as given in the table below. z P(z) 0 0.0211 0.1369 2 0.3337 0.3615 0.1468 3 4 Verify that the table is indeed a probability distribution. Then find the mean of the distribution. mean - Report answer accurate to 1 decimal place.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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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 0.0211
1
0.1369
2
0.3337
3
0.3615
4 0.1468
Verify that the table is indeed a probability distribution. Then find the mean of the distribution.
mean =
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 0.0211 1 0.1369 2 0.3337 3 0.3615 4 0.1468 Verify that the table is indeed a probability distribution. Then find the mean of the distribution. mean = Report answer accurate to 1 decimal place.
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