> 5 6 7 00 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Question 21 of 25 (1 point) | Attempt 1 of 1 | View question in a popup 23m 59s Remaining 7.2 Section Exercise 3 Electricity bills: According to a government energy agency, the mean monthly household electricity bill in the United States in 2011 was $110.66. Assume the amounts are normally distributed with standard deviation $20.00. Use the TI-84 Plus calculator to answer the following. (a) Find the 7th percentile of the bill amounts. (b) Find the 65th percentile of the bill amounts. (c) Find the median of the bill amounts. Round the answers to at least two decimal places. Part 1 of 3 The 7th percentile of the bill amounts is $