only part 2

Interact: ALEKS Homework Link X A ALEKS - Luis Armas - Exam: Prob. X + m/alekscgi/X/Isl.exe/10_u-IgNslkr7j8P3jH-li-WSp540wncg8Tof4a5q5fmgWG31RYRVbHwHNBKKpIMAbFPk10kbkKIQ19IEjOTpWvn8MDFmvOXaz_m4koqaYWNV_IAc60?10Bw7QYjlbavbSPXtx-YCjsh_7 Exam: Probability Assignment Time Remaining: 2:10:47 Question 20 of 20 (3 points) | Question Attempt: 1 of 1 7 8 = 10 11 12 13 14 15 16 = 17 18 19 Electricity bills: According to a government energy agency, the mean monthly household electricity bill in the United States in 2011 was $110.56. Assume the amounts are normally distributed with standard deviation $25.00. Use the TI-84 Plus calculator to answer the following. (a) What proportion of bills are greater than $125? (b) What proportion of bills are between $83 and $143? (c) What is the probability that a randomly selected household had a monthly bill less than $ 113? Round the answers to at least four decimal places. Part 1 of 3 The proportion of bills that are greater than $125 is X Part 2 of 3 The proportion of bills that are between $83 and $143 is X 5 Part 3 of 3