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Author Question: A random sample of n = 16 scores is selected from a normal distribution with = 500 and = 200 . For ... (Read 109 times)

K@

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on: Jun 20, 2018
A random sample of n = 16 scores is selected from a normal distribution with  = 500 and  = 200 . For this sample, which of the following is true?
 
  a. p(402   b. p(425
Question 2

A random sample of n = 9 scores is selected from a normal distribution with  = 80 and  = 12 . What is the probability that the sample mean will be between 76 and 84?
 
  a. 0.9974 c. 0.3830
  b. 0.6826 d. 0.2586


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Pamela.irrgang@yahoo.com

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Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

B


K@

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Reply 2 on: Jun 20, 2018
:D TYSM

Laurenleakan

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Reply 3 on: Yesterday
Wow, this really help

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