[Answered] If x is normally distributed with mean 12 and standard deviation 2, then P(x 9) is a. P(z 9/10). ...

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tingc95

Hero Member
Posts: 556

on: Jun 24, 2018

If x is normally distributed with mean 12 and standard deviation 2, then P(x 9) is
a. P(z 9/10).
b. P(z 3/2)
c. P(z 2/3)
d. P(z 3/4)

Question 2

If the coefficient of correlation is 0.90, then the coefficient of determination
a. is also 0.9
b. is either 0.81 or -0.81
c. can be either negative or positive
d. must be 0.81

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Marked as best answer by a Subject Expert

jaymee143

Sr. Member
Posts: 341

Reply #1 on: Jun 24, 2018

Answer to Question 1

b

Answer to Question 2

D

tingc95

Member
Posts: 556

Reply 2 on: Jun 24, 2018

Gracias!

ASDFGJLO

Member
Posts: 335

Reply 3 on: Yesterday

TYSM

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