A Confidence Interval Was Used to Estimate the Proportion of Statistics

question 111

Multiple Choice

A confidence interval was used to estimate the proportion of statistics students who are
Female.A random sample of 72 statistics students generated the following 90% confidence
Interval: (0.438, 0.642) .Using the information above, what total size sample would be
Necessary if we wanted to estimate the true proportion to within ±0.08 using 95% confidence?

• A) 105
• B) 150
• C) 420
• D) 597

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Definitions:

Average Daily Sales

The average sales generated per day over a specific period, useful for analyzing business performance.

Average Collection Period

The average amount of time it takes for a company to receive payments owed by its customers, indicating the efficiency of the company's credit and collection policies.

Cost Of Default

The expenses and financial losses incurred when a borrower fails to make a loan payment on time.

Cost Of Discounts

The reduction in revenue a company faces when it offers products or services at a reduced price.