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Author Question: In a local university, 10 of the students live in the dormitories. A random sample of 100 students ... (Read 100 times)

olgavictoria

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In a local university, 10 of the students live in the dormitories. A random sample of 100 students is selected for a study.
 a. What is the probability that the sample proportion of students living in the dormitories is between .172 and .178?
 b. What is the probability that the sample proportion of students living in the dormitories is greater than .025?

Question 2

Assume z is a standard normal random variable. Then P(1.20  z  1.50) equals _____.
 a. .0483
  b. .3849
  c. .4332
  d. .8181



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ASDFGJLO

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Answer to Question 1

a. .0035
b. .9938

Answer to Question 2

d




olgavictoria

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review


robbielu01

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

 

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