Expected value of random variable
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Given the following probability distributions:
Distribution A Distribution B
X P(X) X P(X)
0 0.50 0 0.05
1 0.20 1 0.10
2 0.15 2 0.15
3 0.10 3 0.20
4 0.05 4 0.50
a. Compute the expected value for each distribution.
b. Compute the standard deviation for each distribution.
c. Compare and contrast the results of distributions A and B.
The following table contains the probability distribution for the number of traffic accidents daily in a small city.
Number of Accidents Daily (X) P(X)
a. Compute the mean or expected number of accidents per day.
b. Compute the standard deviation.
See attached file for full problem description.© BrainMass Inc. brainmass.com March 6, 2023, 2:52 pm ad1c9bdddf
Please see attached file.
Compute the expected value for each distribution.
Distribution A ...
Calculation of expected value, standard deviation and variance of a random variable.