The Executives of CareFree Insurance, Inc

question 84

Multiple Choice

The executives of CareFree Insurance, Inc.feel that "a majority of our employees perceive a participatory management style at CareFree." A random sample of 200 CareFree employees is selected to test this hypothesis at the 0.05 level of significance.Eighty employees rate the management as participatory.The appropriate decision is to __________.

• A)fail to reject the null hypothesis
• B)reject the null hypothesis
• C)reduce the sample size
• D)increase the sample size
• E)do nothing

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Definitions:

Symmetrical

In statistics, it describes a situation where the data distribution is evenly spread around the mean, having a balanced shape on either side.

Normal Curve

A bell-shaped curve that represents the distribution of many types of data where most values cluster around a mean.

Z Score

A numerical indicator showing how a specific value compares to the average of a set of values, given as the number of standard deviations away from that average.

Distributions

Statistical data arrangements showing the frequencies of potential outcomes or occurrences.