Given That the Random Variable X Is Normally Distributed with a Mean

question 61

Multiple Choice

Given that the random variable X is normally distributed with a mean of 20 and a standard deviation of 7, P(28  X  30) is:

• A)2
• B)0.0507.
• C)0.8729
• D)0.9236

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Definitions:

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Standardized benchmarks of average achievements in areas such as physical, emotional, or intellectual development at various stages of life.

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Suggests or points out something based on information given or evidence available.

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The study of the causes or origins of diseases, understanding how and why diseases develop.