A University Planner Wants to Determine the Proportion of Spring

question 6

Short Answer

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?

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Definitions:

Strong Arguments

Arguments where if the premises are true, the conclusion is likely to be true, showing a high degree of logical support.

Conclusion

The final statement in a logical argument that follows from the premises.

Importance

The state or fact of being of great significance or value.

Implicit Premise

A premise that is assumed by an argument but is not stated.