Question

A random variable is defined as a process or variable with a numerical outcome. Which of the following are random variables?

i. The amount of rain, in inches, that will fall in New York.
ii. The gender of a randomly drawn student from University of Houston. The number of books purchased next semester for my classes.
a. i only
b. ii only
c. iii only
d. i and iii
e. ii and iii
f. i, ii, and iii​

Answer 1

1 and 3

Explanation:

• The amount of rain in inches will be in numbers .So its random variable
• No of books purchased is also a numerical .So its a random variable.