Exhibit 5-2.Consider the following cumulative distribution function for the discrete random variable X. Refer to Exhibit 5-2.What is the probability that X is less than or equal to 2?
A)0.14
B)0.30
C)0.44
D)0.56

Question

Exhibit 5-2.Consider the following cumulative distribution function for the discrete random variable X.  Refer to Exhibit 5-2.What is the probability that X is less than or equal to 2?
A)0.14 
B)0.30 
C)0.44 
D)0.56

Quizplus · Accepted Answer

From the cumulative distribution function, we can see that the probability that X is less than or equal to 2 is the value of F(2), which is 0.44. Therefore, choice C is the correct answer.