A Normal Distribution Has a Mean of µ = 100

question 50

Multiple Choice

A normal distribution has a mean of µ = 100 with σ = 20.If one score is randomly selected from this distribution,what is the probability that the score will have a value between X = 90 and X = 110?​

• A)0.6915​
• B)​0.3085
• C)​0.1915
• D)​0.3830

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Definitions:

Large-company Stocks

Shares that represent ownership in large, well-established companies typically characterized by a high market capitalization.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values, often used to gauge the risk associated with a certain investment or portfolio.

Probability

A measure of the likelihood of a specific event or outcome occurring, expressed as a number between 0 and 1.

Growth Stock

A stock from a company that is expected to grow at an above-average rate compared to other companies in the market, often characterized by high price-to-earnings ratios.