(I About 95 $\sigma$ = 1
A) (I), (Ii), and (Iii) Are All Correct Statements

question 10

Multiple Choice

(i. About 95.5% percent of the area under the normal curve is within plus one and minus one standard deviation of the mean. (ii) The normal distribution is a continuous probability distribution.
(iii) In a standard normal distribution µ = 0 and $\sigma$ = 1.

• 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:

An-

Prefix indicating without or lack of.

Bifurcation

The division of something into two branches or parts, often referred to in a biological context such as blood vessels or airways.

Hyperactive

Hyperactive describes a condition of having more energy and movement than is normal or desirable, often associated with attention deficit hyperactivity disorder (ADHD).

Hyper-

A prefix meaning above or excessive, used to describe conditions of overactivity or elevated levels (e.g., hypertension).