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Author Question: Find the area under the standard normal curve between z = -1.52 and z ... (Read 67 times)

cherise1989

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on: Jul 24, 2018
Find the area under the standard normal curve between z = -1.52 and z =1.25.

Question 2

If events A and B are independent, and P(A) = 0.6 and P(B) = 0.5, find P(A and B).


akpaschal

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Reply #1 on: Jul 24, 2018
Answer to Question 1

P(-1.52 < z < 1.25) = 0.4357 + 0.3944 = 0.8301

Answer to Question 2

P(A and B) = P(A) P(B) = (0.6)(0.5) = 0.30


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