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The Random Variable X Represents the Number of Siblings of a Student

Question 149

Multiple Choice

The random variable X represents the number of siblings of a student selected randomly from a particular college. Use random variable notation to express the following statement in shorthand. The probability that the student has two siblings is 0.180.18 .


A) P(X=2) =0.18\mathrm { P } ( \mathrm { X } = 2 ) = 0.18
B) P(X) =0.18P ( X ) = 0.18
C) P(2) =0.18\mathrm { P } ( 2 ) = 0.18
D) (X=2) =( X = 2 ) =

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