This topic contains a solution. Click here to go to the answer

Author Question: The intersection of A and B, denoted by A B, is the event that _________. A) both A and B occur ... (Read 27 times)

geodog55

  • Hero Member
  • *****
  • Posts: 530
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Anna

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

A

Answer to Question 2

C





 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

For a complete list of videos, visit our video library