Question
College officials want to estimate the percentage of students who carry a gun, knife, or other such weapon. How many randomly selected students must be
College officials want to estimate the percentage of students who carry a gun, knife, or other such weapon. How many randomly selected students must be surveyed in order to be91
91% confident that the sample percentage has a margin of error of1.5
percentage points?
(a)
Assume that there is no available information that could be used as an estimate of
p^.
Answer:
(b)
Assume that another study indicated that
7% of college students carry weapons. Answer:
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Linear Algebra A Modern Introduction
Authors: David Poole
4th edition
1285463242, 978-1285982830, 1285982835, 978-1285463247
