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Author Question: In a random sample of UTC students, 50 indicated they are Business majors, 40 Engineering majors, ... (Read 173 times)

azncindy619

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on: Jun 24, 2018
In a random sample of UTC students, 50 indicated they are Business majors, 40 Engineering majors, and 10 Other majors. Of the Business majors, 60 were females; whereas 30 of Engineering majors were females. Finally, 20 of the Other majors were female.
 a. What percentage of students in this sample was female?
  b. Given that a person is female, what is the probability that she is an engineering major?

Question 2

The average monthly rent for one-bedroom apartments in Chattanooga has been 700 . Because of the downturn in the real estate market, it is believed that there has been a decrease in the average rental. The correct hypotheses to be tested are
 a. H0:   700 Ha:  < 700.
   b. H0:  = 700 Ha:   700.
   c. H0:  > 700 Ha:   700.
   d. H0:  < 700 Ha:   700.


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bdobbins

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

a. 44
b. .2727

Answer to Question 2

a


azncindy619

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

Joy Chen

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Reply 3 on: Yesterday
Wow, this really help

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