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Author Question: At a particular university, a study has shown that students who live on campus are more likely to ... (Read 116 times)

james9437

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At a particular university, a study has shown that students who live on campus are more likely to have GPAs over 3.0 than students who do not. A freshman at this university is randomly selected at the beginning of the fall term. Define events A = the student lives on campus, and B = the student has a GPA over 3.0 at the end of the fall term. According to the housing office, P(A) = .80 . Which statement is definitely true about P(BA) based on this information?
 a. P(BA) = .80
  b. P(BA) is greater than P(Bnot A)
  c. P(BA) is less than P(Bnot A)
  d. P(BA) = P(Bnot A)

Question 2

A football player is randomly selected from all NCAA Division I college teams. Define the events D = the football player plays defense and T = the football player is over 6 feet tall. Suppose that we also know that of all NCAA Division I football players, 15 are shorter than 6 feet. What do we know about events D and T?
 a. They are independent events.
  b. They are dependent events.
  c. They are disjoint events.



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scrocafella

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Answer to Question 1

B

Answer to Question 2

B




james9437

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


zacnyjessica

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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