In Constructing a Confidence Interval Estimate for the Difference Between

question 44

Multiple Choice

In constructing a confidence interval estimate for the difference between two population proportions,we:

• A)pool the population proportions when the populations are normally distributed.
• B)pool the population proportions when the population means are equal.
• C)pool the population proportions when they are equal.
• D)never pool the population proportions.

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Definitions:

Enzymes

Biological catalysts that speed up chemical reactions in living organisms by lowering the activation energy.

Enzyme Function

The role enzymes play in accelerating chemical reactions in biological systems without being consumed in the process.

Lock-and-key Model

A model explaining enzyme specificity, where the enzyme's active site (lock) perfectly fits the substrate (key), facilitating the chemical reaction.

Energy Of Activation

The minimum energy that must be supplied to reactants to initiate a chemical reaction.