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Author Question: The expression used to compute an interval estimate of may depend on any of the following factors ... (Read 188 times)

ap345

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on: Jun 24, 2018
The expression used to compute an interval estimate of  may depend on any of the following factors EXCEPT _____.
 a. the sample size
  b. whether the population standard deviation is known
  c. whether the population has an approximately normal distribution
  d. whether there is sampling error

Question 2

Suppose x is a normally distributed random variable with a mean of 12 and a standard deviation of 3 . The probability that x equals 19.62 is _____.
 a. 0
  b. .0055
  c. .4945
  d. .9945


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cascooper22

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

d

Answer to Question 2

a


ap345

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Reply 2 on: Jun 24, 2018
:D TYSM

diana chang

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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