[Answered] Find the area under the standard normal curve between -1.48 and the ...

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Author Question: Find the area under the standard normal curve between -1.48 and the ... (Read 86 times)

biggirl4568

Hero Member
Posts: 551

on: Jul 24, 2018

Find the area under the standard normal curve between -1.48 and the mean.

Question 2

Explain why nonempty, mutually exclusive events A and B must be dependent.

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alvinum

Sr. Member
Posts: 317

Reply #1 on: Jul 24, 2018

Answer to Question 1

P(-1.78 < z< 0.0) = 0.4306

Answer to Question 2

If A and B are independent, P(A and B) = P(A) P(B) Since A and B are mutually exclusive, P(A and B) = 0 . Thus, 0 = P(A) P(B). This is impossible since P(A)0 and P(B)0 . Therefore, A and B are dependent.

biggirl4568

Member
Posts: 551

Reply 2 on: Jul 24, 2018

Gracias!

bitingbit

Member
Posts: 323

Reply 3 on: Yesterday

TYSM

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