Please help me with a through c

Homework: Proctored Test 2 Review (90% or better 5 extra ... Question 6, 5.2.11-T HW Score: 57.17%, 25.73 of 45 points Save Part 1 of 3 * Points: 0 of 1 The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $14. Find the probability that a randomly selected utility bill is (a) less than $69, (b) between $82 and $110, and (c) more than $140 (a) The probability that a randomly selected utility bill is less than $69 is (Round to four decimal places as needed.)

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