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:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, widely used in finance to gauge the volatility of an investment.

Probability Distribution

A statistical function that describes all the possible values and likelihoods that a random variable can take within a given range.

Variances of Stocks

Measures of the dispersion of returns for a given stock, used to assess the risk associated with holding the stock.

Return on Stock

The gain or loss on an investment in stock, represented as a percentage of the investment's initial cost.