The time required to play a certain game is uniformly distributed between 20 and 40 minutes Complete parts a through c below a Find the expected value and variance of the time to complete the game The expected value of the time to complete the game is 30 minutes Type an integer or decimal rounded to two decimal places as needed The variance of the time to complete the game is 33 33 Type an integer or decimal rounded to two decimal places as needed b What is the probability of finishing within 23 minutes 0 15 Type an integer or decimal rounded to three decimal places as needed c What is the probability that the game would take longer than 29 minutes Type an integer or decimal rounded to three decimal places as needed