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Author Question: A random sample of 121 bottles of cologne showed an average content of 4 ounces. It is known that ... (Read 209 times)

strangeaffliction

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on: Jun 24, 2018
A random sample of 121 bottles of cologne showed an average content of 4 ounces. It is known that the standard deviation of the contents (i.e., of the population) is 0.22 ounces. In this problem, the .22 is _____.
 a. a parameter
  b. a statistic
  c. the standard error of the mean
  d. the average content of colognes in the long run

Question 2

There is a lower limit but no upper limit for a random variable that follows the _____ probability distribution.
 a. uniform
  b. normal
  c. exponential
  d. binomial


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lorealeza

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

a

Answer to Question 2

c


strangeaffliction

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Reply 2 on: Jun 24, 2018
Wow, this really help

ttt030911

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

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