Answer
$z = \frac{x-μ}{σ} = \frac{217-195}{37.7}$ = 0.58
$z = \frac{x-μ}{σ} = \frac{185-195}{37.7}$ = -0.27
Using table 4, we have:
a. P(z < 0.58) = 0.7019 = 70.19%
b. P(z > -0.27) = 1 = P(z < -0.27) = 1 - 0.3936 = 0.6064 = 60.64%
To get number of scores, we multiply sample size and percentage
60.64 x 200 ≈ 121 individuals
Work Step by Step
As given above