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Author Question: A random sample of 50 provides a sample mean of 31 with a standard deviation of S = 14. The upper ... (Read 75 times)

jlmhmf

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on: Jun 24, 2018
A random sample of 50 provides a sample mean of 31 with a standard deviation of S = 14. The upper bound of a 90 confidence interval estimate of the population mean is 34.32.
 
  Indicate whether the statement is true or false

Question 2

The amount of time between successive TV watching by first graders follows an exponential distribution with a mean of 10 hours. The probability that a given first grader spends between 10 and 15 hours between successive TV watching is ________.
 
  Fill in the blank(s) with correct word


carlsona147

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

TRUE

Answer to Question 2

0.1447


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