In a standardized normal distribution the mean is while the standard deviation is . A. 0; 1
B. 1; 0
C. 0; 0
D. 1; 1

A. 0; 1

Step-by-step explanation:

Required

Mean and standard deviation of a standardized normal distribution

A standardized normal distribution is represented as:

This implies that:

-- mean

--- standard deviation

Hence, (a) is true

step-by-step explanation:

(a) the volume of the cone is 20/3 in3

hence, option a is correct.