X Is a Normally Distributed Random Variable with a Mean

question 62

Multiple Choice

X is a normally distributed random variable with a mean of 12 and a standard deviation of 3. The probability that x equals 19.62 is

• A)0.000
• B)0.0055
• C)0.4945
• D)0.9945

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Definitions:

Narcolepsy

Syndrome involving sudden sleep attacks that a person cannot inhibit. Uncontrollable desire to sleep may occur several times during a day.

Antidepressant medications

Drugs prescribed to relieve symptoms of depression, including mood improvement and increased feelings of well-being.

Hot, stuffy rooms

Enclosed spaces with poor ventilation and high temperatures, often leading to discomfort and difficulty breathing.

Appendectomy

A surgical procedure to remove the appendix, often performed to treat appendicitis, the inflammation of the appendix.