Statistics - Probability Distributions
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In this exercise, determine whether a probability distribution is given. In the case where a probability distribution is not described, identify the requirements that are not satisfied. In the case where a probability distribution is described, find its means and standard deviation.
Mortality Study
For a group of four men, the probability distribution for the number x who live through the next year is as given in the accompanying table.
x P(x)
0 0.0000
1 0.0001
2 0.0006
3 0.0387.
4 0.9606
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Solution Summary
A complete, neat and step-by-step solution is provided to determine whether a probability distribution is given. Also finds the mean and standard deviation.
Solution Preview
(a) Since the sum total of the P(x) values = 1, the given distribution is a probability distribution.
(b) ...
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