February 23, 2017

Homework Help: statistics

Posted by sandy on Wednesday, November 11, 2009 at 9:40pm.

In a local university,40% of the students live in the dormitories. A random sample of 80 students is selected for a particular study. What is the probability that the sample proportion (the proportion living in the dormitories) is between 0.30 and 0.50?

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