Question

1.A distribution of values is normal with a mean of 6.3 and a standard deviation of 83.3.

Find P₅₇, which is the score separating the bottom 57% from the top 43%.
P₅₇ =

2.A distribution of values is normal with a mean of 180.3 and a standard deviation of 20.5.

Find P₇₁, which is the score separating the bottom 71% from the top 29%.
P₇₁ =

Answer 1

(r) Givan #hcel mean(N): 6.3 , so(-) : 83.3 5구 X- 6.3 8 3.3 o.16 x : 20. 9608 .) |鸟チ: 20.96 ng X- 乙: 20.5 x:191-6365