(I the Mean of a Normal Probability Distribution Is 60

question 10

Multiple Choice

(i. The mean of a normal probability distribution is 60 and the standard deviation is 5. 95.44 percent
Of observations lie between 50 and 60.
(ii. A z-value of -2.00 indicates that corresponding X value lies to the left of the mean.
(iii) One of the properties of the normal curve is that it gets closer to the horizontal axis, but never
Touches it. This property of the normal curve is called asymptotic.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (ii) and (iii) are correct statements but not (i).

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Definitions:

Primary Drive

Fundamental biological drives such as hunger, thirst, and sleep that are essential for survival.

Goal-Directed Behavior

Actions undertaken with the intention of achieving a specific outcome, reflecting the ability to identify, plan for, and realize objectives.

Inborn

Characterizing traits or qualities that are present from birth, not acquired or learned.

Specific Need

A particular or distinct requirement essential to an individual's well-being or situation.