The average rent in a city is $1,220 per month with a standard deviation of $310. Assume rent follows the normal distribution. [You may find it useful to reference the z table.] a. What percentage of rents are between $910 and $1,530? (Round your answer to 2 decimal places.) Percentage of rents b. What percentage of rents are less than $910? (Round your answer to 2 decimal places.) Percentage of rents % Percentage of rents % c. What percentage of rents are greater than $1,840? (Round your answer to 2 decimal places.) %