Mathematics, 14.12.2019 05:31, oliviac0327
To obtain an estimate of the proportion of "full time" university students who have a part time job in excess of 30 hours per week, the student union decides to interview a random sample of full time students. they want the length of their 90% confidence interval to be no greater than 0.2 with standard deviation is known to be 3 hours. what size of the sample, n should be taken? round up your answer to the nearest whole number.
Answers: 2
Mathematics, 21.06.2019 15:00, ashhleyjohnson
Which expression is equivalent to 5r674 pression is equivalent to see lo 5r614) 4r322,4 ) 5 ( 2 5t5 |
Answers: 3
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