Essay
An undergraduate business student studies diligently in the library during dead week in anticipation of an outstanding performance on her final exams.She asks a friend to spy on her at random intervals to determine what percentage of time she is actually studying.Over the course of three days,her friend records the following observations:
If the student wants a 95 percent confidence level and a degree of precision of ± 0.08,how many more observations are needed?
Correct Answer:

Verified
n =
p(1 - p)
n =
= 70.35
n...View Answer
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Correct Answer:
Verified
n =
n...
View Answer
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