Find the best solutions to your problems with the help of IDNLearn.com's expert users. Get prompt and accurate answers to your questions from our community of knowledgeable experts.

At the school carnival, Mike will play a game in which he will toss a penny, a nickel, and a dime at the same time. He will be awarded 3 points for each coin that lands with heads faceup. Let the random variable x represent the total number of points awarded on any toss of the coins. What is the expected value of x?