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Author Question: Find the probability that a randomly selected piece of data from a normal population will have a ... (Read 491 times)

Medesa

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on: Jul 24, 2018
Find the probability that a randomly selected piece of data from a normal population will have a z-score between 1.28 and 2.25.

Question 2

Two events A and B are said to be independent if:
 a. P(A and B) = P(A) P(B).
  b. P(A and B) = P(A) + P(B).
  c. P(A  B) = P(B).
  d. P(B  A) = P(A).


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kthug

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

0.0881

Answer to Question 2

A


Medesa

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Reply 2 on: Jul 24, 2018
Wow, this really help

alvinum

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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