Is F(x) = $\frac { 1 } { 21 }$ $x ^ { 2 }$

question 51

True/False

Is f(x) = $\frac { 1 } { 21 }$ $x ^ { 2 }$ a probability density function on the interval 1 ≤ x ≤ 4 ?

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Definitions:

Insomnia

A sleep disorder characterized by difficulty falling or staying asleep.

Stressful Events

Circumstances or incidents that cause a significant amount of stress, potentially leading to emotional and physical problems.

Psychological Problems

Relates to disorders or issues affecting the mind that impact one's ability to function in daily life.

Sleep Apnea

A sleep disorder characterized by pauses in breathing or periods of shallow breathing during sleep.