(I About 95

question 99

Multiple Choice

(i. About 95.5% percent of the area under the normal curve is within plus two and minus two
Standard deviations of the mean.
(ii. The normal distribution is a continuous probability distribution.
(iii) In a standard normal distribution, µ = 0 and σ = 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) (i), (ii), and (iii) are all false statements.

---

Definitions:

Ice Caps

Large areas covered with ice that are smaller than ice sheets, found in polar and subpolar regions, significantly affecting the regional climate.

Groundwater

Water that fills the cracks and spaces in underground soil and rock layers, supplying wells and springs.

Rivers

Large natural streams of water flowing in channels and emptying into larger bodies of water like lakes, seas, or other rivers.

Groundwater

The water found underground in the cracks and spaces in soil, sand, and rock.