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Author Question: Whenever using the t distribution in interval estimation, we must assume that _____. a. the sample ... (Read 190 times)

kwoodring

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on: Jun 24, 2018
Whenever using the t distribution in interval estimation, we must assume that _____.
 a. the sample size is less than 30
  b. a random sample was selected
  c. the population is approximately normal
  d. the finite population correction factor is necessary

Question 2

Excel's NORM.S.INV function can be used to compute _____.
 a. cumulative probabilities for a standard normal z value
  b. the standard normal z value given a cumulative probability
  c. cumulative probabilities for a normally distributed x value
  d. the normally distributed x value given a cumulative probability


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ririgirl15

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

b

Answer to Question 2

b


kwoodring

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

cdmart10

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Reply 3 on: Yesterday
Wow, this really help

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