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Author Question: Sampling errors can a. be avoided by increasing the sample size to at least 30. b. be avoided if ... (Read 1094 times)

BrownTown3

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Sampling errors can
 a. be avoided by increasing the sample size to at least 30.
  b. be avoided if the sample is increased so that it will be at least 5 of the population.
  c. be avoided by using probabilistic sampling.
  d. not be avoided.

Question 2

Thirty-five percent of the students who enroll in a statistics course go to the statistics laboratory on a regular basis. Past data indicates that 40 of those students who use the lab on a regular basis make a grade of B or better. On the other hand, 10 of students who do not go to the lab on a regular basis make a grade of B or better. If a particular student made an A, determine the probability that she or he used the lab on a regular basis.



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brittrenee

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Answer to Question 1

d

Answer to Question 2

0.6829




BrownTown3

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it


bblaney

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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