Suppose 40% of All College Students Have a Computer at Home

question 13

Multiple Choice

Suppose 40% of all college students have a computer at home and a sample of 64 is taken. What is the probability that more than 30 of those in the sample have a computer at home?

• A) 0.3686
• B) 0.1314
• C) 0.8686
• D) 0.6314
• E) 0.1343

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Definitions:

Continuous Normal Distribution

A type of probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the values differ from the mean of the set.

Normal Distribution

A probability distribution that is symmetric around the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Continuous Random Variable

A random variable that may assume any numerical value in an interval or collection of intervals.