How Many Observations Should Be Made If She Wants to Be

question 81

Multiple Choice

How many observations should be made if she wants to be 95.44 percent confident that the maximum error in the observed time is two seconds? The standard deviation of task times is 6 seconds.

• A) 5
• B) 6
• C) 30
• D) 36
• E) 49

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Definitions:

Suicide Attempts

Acts of self-harm with the intent to end one's life, which could range in severity and outcomes, necessitating immediate intervention and support.

Suicidal Behavior Disorder

A classification being studied for possible inclusion in a future revision of DSM-5, in which individuals have tried to die by suicide within the last two years.

DSM-5

The fifth edition of the Diagnostic and Statistical Manual of Mental Disorders, which is a publication for the classification of mental disorders used by mental health professionals.

Edwin Shneidman

A pioneer in the field of suicidology who extensively studied the motives and psychology behind suicide.