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The retail price of a medium-sized box of a well-known brand of cornflakes ranges from $3.21...

The retail price of a medium-sized box of a well-known brand of cornflakes ranges from $3.21 to $3.59. Assume these prices are uniformly distributed.

(a) What is the average price in this distribution? (Round your answer to 2 decimal places.)

(b) What is the standard deviation of prices in this distribution? (Round your answer to 3 decimal places.)

(c) If a price is randomly selected from this list, what is the probability that it will be between $3.36 and $3.41? (Round your answer to 4 decimal places.)

Math   Statistics-And-Probability   
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