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Author Question: Find the area under the standard normal curve to the left of z = ... (Read 113 times)

a0266361136

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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

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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

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Reply 2 on: Jul 24, 2018
Gracias!

zacnyjessica

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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