[Answered] Find the area under the standard normal curve to the left of z = ...

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a0266361136

Hero Member
Posts: 538

on: Jul 24, 2018

Find the area under the standard normal curve to the left of z = -1.33.

Question 2

If A and B are independent events, and P(A) = 0.7 and P(B) = 0.6, find P(A and B)

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AmberC1996

Sr. Member
Posts: 317

Reply #1 on: Jul 24, 2018

Answer to Question 1

P(z<-1.33) = 0.50 0.4082 = 0.0918

Answer to Question 2

P(A and B) = P(A) P(B) = (0.7)(0.6) = 0.42

a0266361136

Member
Posts: 538

Reply 2 on: Jul 24, 2018

Gracias!

duy1981999

Member
Posts: 341

Reply 3 on: Yesterday

YES! Correct, THANKS for helping me on my review

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