Question

Given the following probability function: .10 x = 5 f(x) = . 20 x = -2,...

Given the following probability function:
.10 x = 5
f(x) = . 20 x = -2, 8, 10
.30 x = 6

A. Calculate f(x) and make an appropriate drawing of f(x) and F(x) (15 pts)
B. P (6 < X < 8) (5 pts)
C. P (x > 7) (5 pts)
D. P (x < 8) (5 pts)
E. The average of X (5 pts)
F. The fashion of X (5 pts)
G. The variance of X (10 pts)
Math   Statistics-And-Probability   
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