X Is a Normally Distributed Random Variable with a Mean

question 98

Multiple Choice

X is a normally distributed random variable with a mean of 22 and a standard deviation of 5. The probability that x is less than 9.7 is

• A)0.000
• B)0.4931
• C)0.0069
• D)0.9931

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Definitions:

Modified Branch

A branch that has undergone changes to serve a specific function other than structural support, such as storage or reproduction.

Spine

A sharp, pointed modified leaf or stem part of a plant that serves as a defense mechanism against herbivores.

Blue Light

A portion of the visible light spectrum, known for its high energy and potential impacts on plant growth, human circadian rhythms, and digital eye strain.

Hydrogen Ions

Positively charged ions (H+) that are formed when hydrogen atoms lose their electrons.