A random variable (A) has a mean 55 and a standard deviation of 5. A random variable (B) has a mean 75 and a standard deviation of 10. What is the mean of the random variable Y, where Y=A+B? Select one: a. 130 b. 75 c. 55 d. 65

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A random variable (A) has a mean 55 and a standard deviation of 5. A random variable (B) has a mean 75 and a standard deviation of 10. What is the mean of the random variable Y, where Y=A+B?
Select one:
a.
130
b.
75
c.
55
d.
65
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