(I the Mean of a Normal Probability Distribution Is 60

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 70.
(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) .