need help quick please!

On average, an American professional football game lasts about six hours, even though the ball is actually in play only 11 minutes. Assume that game times are normally distributed with a standard deviation of 1.3 hour. a. Find the probability that a game lasts less than 3.0 hours. Note: Do not round intermediate calculations. Round yout final answer to 4 decimal places. b. Find the probability that a game lasts either less than 3.0 hours or more than 3.5 hours. Note: Do not round intermediate calculations. Round your final answer to 4 decimal places. c. Find the maximum value for the game time that will place it in the bottom 11% of the distribution. Note: Do not round intermediate calculations. Round your final answer to 2 decimal places