can someone help me with this

The retail price of a medium-sized box of a well-known brand of cornflakes ranges from $2.23 to $2.65. Assume these prices are iniformly distributed. (Round your answer to 3 decimal places, e.g. 2.531.) "(Round your answer to 4 decimal places, e.g. 0.2531.) What is the average price in this distribution? (b) What is the standard deviation of prices in this distribution? (c) If a price is randomly selected from this list, what is the probability that it will be between $2.33 and $2.39