The probability distribution of the random variable X is shown in the accompanying table. x     −5     −3     −2     0     2     3     P(X = x)     0.19     0.13     0.34     0.18     0.06     0.10     Find the following. (a)     P(X ≤ 0) (b)     P(X ≤ −3) (c)     P(−2 ≤ X ≤ 2) (d)     P(X ≥ 2) (e)     P(X > 0) (f)     P(X = 1)

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.4: Expected Value
Problem 20E
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The probability distribution of the random variable X is shown in the accompanying table.

x     −5     −3     −2     0     2     3    
P(X = x)
    0.19     0.13     0.34     0.18     0.06     0.10    

Find the following.

(a)    
P(X ≤ 0)


(b)    
P(X ≤ −3)



(c)    
P(−2 ≤ X ≤ 2)


(d)    
P(X ≥ 2)


(e)    
P(X > 0)


(f)    
P(X = 1)
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