Below is the probability distribution for random variable x.Which of the following is most probable?

A) a score of at most 13
B) a score of at least 13
C) a score of 12
D) a score of 14

Question

Below is the probability distribution for random variable x.Which of the following is most probable?

A) a score of at most 13 
B) a score of at least 13 
C) a score of 12 
D) a score of 14

Quizplus · Accepted Answer

The probability of obtaining a score of at most 13 is the sum of probabilities of obtaining a score of 11, 12 or 13, which is 0.3 + 0.4 + 0.1 = 0.8. This is the highest probability among the given choices, making it the most probable outcome.

Below Is the Probability Distribution for Random Variable X