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Author Question: The intersection of A and B, denoted by A B, is the event that _________. A) both A and B occur ... (Read 25 times)

geodog55

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on: Jul 25, 2018
The intersection of A and B, denoted by A  B, is the event that _________.
 
  A) both A and B occur B) either A or B occurs
  C) neither A nor B occurs D) A occurs and B does not occur

Question 2

The principal at Riverside High School would like to estimate the mean length of time each day that it takes all the buses to arrive and unload the students.
 
  How large a sample is needed if the principal would like to assert with 90 confidence that the sample mean is off by, at most, 7 minutes. Assume that s = 14 minutes based on previous studies.
  A) 13 B) 10 C) 11 D) 12


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Anna

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Reply #1 on: Jul 25, 2018
Answer to Question 1

A

Answer to Question 2

C


geodog55

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Reply #2 on: Jul 25, 2018
TY


Anna

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Reply #3 on: Jul 25, 2018
You're welcome


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