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Author Question: What is the standard deviation of the Y index fund? A) 5.17 B) 4.77 C) 2.17 D) ... (Read 57 times)

jrubin

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  • Posts: 552
on: Jun 24, 2018
What is the standard deviation of the Y index fund?
 
  A) 5.17
  B) 4.77
  C) 2.17
  D) 2.97

Question 2

A random sample of 100 people was selected from a population of customers at a local bank. The mean age of these customers was 40.
 
  If the population standard deviation is thought to be 5 years, the margin of error for a 95 percent confidence interval estimate is .98 year. Indicate whether the statement is true or false


scottmt

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  • Posts: 322
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


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