#### Answer

a)continous random variable b)discrete random variable c)not a random variable d)discrete random variable e)continous random variable f)discrete random variable

#### Work Step by Step

a) It can be any value between two specified numbers, therefore it is a continous random variable.
b)It can be finite many values between two specified numbers, therefore it is a discrete random variable.
c)The answer given to the question is not a random variable.
d)It can be finite many values between two specified numbers, therefore it is a discrete random variable.
e) It can be any value between two specified numbers, therefore it is a continous random variable.
f)It can be finite many values between two specified numbers, therefore it is a discrete random variable.