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Author Question: A random sample of 400 students involved in club activities showed that 250 were women. What is an ... (Read 102 times)

bb

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on: Jul 24, 2018
A random sample of 400 students involved in club activities showed that 250 were women. What is an approximate 95 confidence interval for the proportion of all students involved in club activities who are women?

Question 2

A random sample of 2000 students showed that 800 were in favor of more movies on campus. Report the results of this poll using the sample proportion and margin of error.


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wfdfwc23

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

57.5 to 67.5

Answer to Question 2

40 of the sample favored more movies on campus. The margin of error was 2.2.


bb

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Reply 2 on: Jul 24, 2018
Excellent

nothere

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

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