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Author Question: The symbol shows the _____. a. union of events b. intersection of events c. sum of the ... (Read 95 times)

V@ndy87

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on: Jun 24, 2018
The symbol  shows the _____.
 a. union of events
  b. intersection of events
  c. sum of the probabilities of events
  d. None of the answers is correct.

Question 2

A statistician employed by a consumer testing organization reports that, at 95 confidence, he has determined that the true average content of the Uncola soft drinks is between 11.7 to 12.3 ounces. He further reports that his sample revealed an average content of 12 ounces, but he forgot to report the size of the sample he had selected. Assuming the standard deviation of the population is 1.28, determine the size of the sample.


ErinKing

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

b

Answer to Question 2

70


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