Home - Delaware County Comm x MyLab Math Assignments X Take a Test - Brittney K Mccoy X + X mathxl.com/Student/PlayerTest.aspx?testld=232742722 MAT 121 Introduction to Probability and Statistics 14 701 Baig Brittney K Mccoy & | 08/12/21 1147 AM E Test: FINAL Question 23 O This Test: 35 pts possible Submit Test A company installs 5,000 light bulbs. The lifetimes of the lightbulbs are approximately normally distributed with a mean of 500 hours and a standard deviation of 100 hours. Find the approximate number of bulbs that can be expected to last less than 690 hours. O A. 4,853 O B. 4,860 O C. 2,357 O D. 4,855