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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 136 times)

Kikoku

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on: Jun 24, 2018
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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Reply #1 on: Jun 24, 2018
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
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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