When Surveyed for Brand Recognition, 98% of Consumers Recognize Coke

question 118

Multiple Choice

When surveyed for brand recognition, 98% of consumers recognize Coke. A new survey of 800
Randomly selected consumers is to be conducted. For such a group of 800, determine the mean
And standard deviation for the number who recognize the Coke brand name. Considering as
Unusual a result that differs from the mean by more than two standard deviations, it (___ (is/is not)
___) unusual to get 790 consumers who recognize the Coke brand name.

• A) 16, 3.96, is not
• B) 16, 16, is
• C) 784, 3.96, is not
• D) 784, 3.96, is

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Definitions:

T Distribution

A statistical curve that shows the standard deviations of samples taken from a population and is used when the population standard deviation is unknown and the sample size is small.

Standard Normal Distribution

A normal distribution with a mean of zero and a standard deviation of one.

Population Mean

The sum of the values in the population divided by the number of values in the population.

Degrees Of Freedom

The count of the number of values in a calculation that are free to vary without infringing on the given data.