Question

A football player makes 75% of his 5-point shots and 25% his 7-point shots. Determine the expected value for a 7-point shot of the player.

(a) 4.59

(b) 12.35

(c) 5.25

(d) 42.8

I got this question during an internship interview.

My enquiry is from Discrete Probability topic in division Discrete Probability of Discrete Mathematics

Answer 1

Right option is (c) 5.25

The best explanation: Multiply the outcome by its probability, so the expected value becomes 0.75 * 7 points = 5.25.