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Author Question: Doubling the size of the sample will _____. a. reduce the standard error of the mean to one-half ... (Read 132 times)

Kikoku

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Doubling the size of the sample will _____.
 a. reduce the standard error of the mean to one-half its current value
  b. reduce the standard error of the mean to approximately 70 of its current value
  c. have no effect on the standard error of the mean
  d. double the standard error of the mean

Question 2

An insurance company has determined that each week an average of 9 claims are filed in its Atlanta branch. What is the probability that during the next week
 a. exactly 7 claims will be filed?
  b. no claims will be filed?
  c. less than 4 claims will be filed?
  d. at least 18 claims will be filed?



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Bigfoot1984

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Answer to Question 1

b

Answer to Question 2

a. .1171
b. .0001
c. .0212
d. .0053




Kikoku

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Reply 2 on: Jun 24, 2018
:D TYSM


sailorcrescent

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

 

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