A Sample of 30 Clock Radios Is Selected in Sequence

question 22

Essay

A sample of 30 clock radios is selected in sequence from an assembly line. Each radio is examined and judged to be acceptable (A)or defective (D). The results are shown below. Test for randomness. $\begin{array}{cccccccccc}\mathrm{A} & \mathrm{A} & \mathrm{D} & \mathrm{A} & \mathrm{A} & \mathrm{A} & \mathrm{D} & \mathrm{A} & \mathrm{A} & \mathrm{D} \\\mathrm{A} & \mathrm{D} & \mathrm{A} & \mathrm{A} & \mathrm{A} & \mathrm{D} & \mathrm{A} & \mathrm{A} & \mathrm{A} & \mathrm{A} \\\mathrm{A} & \mathrm{A} & \mathrm{D} & \mathrm{D} & \mathrm{A} & \mathrm{A} & \mathrm{A} & \mathrm{A} & \mathrm{D} & \mathrm{A}\end{array}$

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Definitions:

Body Dysmorphic Disorder

Body Dysmorphic Disorder is a mental health condition characterized by an obsessive focus on perceived flaws in one's appearance, which are often unnoticeable to others.

Psychological Disorders

Conditions characterized by abnormal thoughts, feelings, or behaviors that significantly interfere with daily life and functioning.

Distress

Negative stress that can result in anxiety or concern, often leading to decreased performance and mental strain.

Significant Impairment

A considerable reduction or deterioration in the ability to perform normal functions or activities, often used in clinical contexts.