Question

x 1 - OX Do Homeworkjolene fetterolf - Google Chrome mathxl.com/Student/PlayerHomework.aspx?homeworkld=5367087338questionid=18&flushed a true&cid=56072648.centerwin wyes mathull MAT-260-B01 (1) jolene fetterolf & 1 9/16/19 8:52 PM Save rk Homework: Week 4: Normal Distribution/Assessing Normality Score: 0 of 1 pt 18 of 26 (23 complete) HW Score: 82.69%, 21.5 of 26 pts attem 6.2.9 Question Help Find the indicated IQ score. The graph to the right depicts 10 scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. Click to view page 2 of the table will The indicated I score, x, is (Round to one decimal place as needed.) n Pent Jestion (1/1) (1/1) (1/1) 3(1/1) 760.50

Answer 1

P(X<x) = 0.97 Now, Given u =100, 0 = 15 plek is at 4) = 0.97 Plzs *300) = 0.97 P(Z < z) = 0.97 So z = 1.88 Z=- 7 -100 15 x= 100 +1.88*15 x = 128.2