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Author Question: Given a sample mean of 2.1 and a population standard deviation of 0.7 from a sample of 10 data ... (Read 120 times)

maegan_martin

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on: Jun 24, 2018
Given a sample mean of 2.1 and a population standard deviation of 0.7 from a sample of 10 data points, a 90 confidence interval will have a width of 2.36.
 
  Indicate whether the statement is true or false

Question 2

Suppose Z has a standard normal distribution with a mean of 0 and standard deviation of 1. The probability that Z values are larger than ________ is 0.6985.
 
  Fill in the blank(s) with correct word


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bob

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

FALSE

Answer to Question 2

-0.52


maegan_martin

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Reply 2 on: Jun 24, 2018
Gracias!

yeungji

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Reply 3 on: Yesterday
Wow, this really help

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