Answer to Question #50340 in Finance for Rob

Question #50340
The following data were obtained from a survey of college students. The variable X represents the number of non-assigned books read during the past six months. x x 0 1 2 3 4 5 P (X=x) 0.20 0.25 0.20 0.15 0.10 0.10 Find P( X > 1) A.0.20 B.0.80 C.0.55 D.0.45
1
Expert's answer
2015-01-09T11:01:41-0500
If the variable X represents the number of non-assigned books read during the past six months, then:
P( X > 1) = P(2) + P(3) + P(4) + P(5) = 0.2 + 0.15 + 0.1 + 0.1 = 0.55
So, the right answer is:
C.0.55

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