Posted by sam on Wednesday, March 31, 2010 at 1:23pm.
In a sample of 500 college students fifty percent of all college students attend schools within 50 miles of
their homes.
The probability that the population proportion will be between 0.45 and 0.55 is
(1) 0.4875
(2) 0.9818
(3) 0.4909
(4) 0.9750
(5) 0.5000

stats  lolo, Sunday, March 6, 2011 at 2:28pm
0.4909
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