BUS stat ch.7 Q&A

True or false: A continuous random variable can have a finite set of integer values.

False

One characteristic of a well-defined probability density function of a continuous random variable X is that the area under the curve, f(x,) over all values of x is

Is equal to 1

The probability that a continuous random variable equals any of its values is

Zero

One condition of a well-defined probability density function of a continuous random variable X is that f(x) is

greater than zero for all values of X.

It is meaningful to compute the probability that a continuous random variable

is between two numbers. is less than or equal to a number. is greater than or equal to a number.

The probability that a discrete random variable equals any of its values is

between zero and one, inclusive.

A random variable is said to be continuous if it

can have decimal values. is measured over an interval.

A random variable is said to be discrete if it has _____

countable number of values.