Question

Question 6 20 pts Find the area of the shaded region (to the left of 110). The graph depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15 (as on the Wechsler test). 40 50 60 70 80 90 100 110 120 130 140 150 2010 Write your answer as a decimal rounded to 4 places. Question 7 20 pts Find the area of the shaded region (to the right of 0.59). The graph depicts the standard normal distribution with mean and standard deviation 1. 11.77.1.18 6.50 - 4 L|| L 1M 1 Write your answer as a decimal rounded to 4 places.

Answer 1

10.7475 (6) x= laseres or adults Normal (M = 100, 0 = 15). To find, plx = 110) P(Z = 10.7100) = P(Z 0.667) (7) Z~ Normal (M=0, 0=1). To find, P1Z 70.59) 1-P124059) - 10,2776