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A university planner wants to determine the proportion of spring semester students who will attend summer school. She surveys 32 current students discovering that 12 will return for summer school.
a.Construct a 90% confidence interval estimate for the proportion of current spring students who will return for summer school.
b.With a 0.95 probability, how large of a sample would have to be taken to provide a margin of error of 3% or less?
Constant Rate
A fixed value used in various financial or mathematical calculations that does not change over time.
Dividends Expected
The forecasted payments made by a corporation to its shareholders, typically derived from the company's profits.
Constant Dividend
A dividend policy in which a company pays a fixed dividend per share, unaffected by its earnings volatility.
Rate of Return
The increase or decrease in the value of an investment during a predetermined timeframe, represented as a proportion of the investment's original price.
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