Question

5.2.5 (2). Determine whether the value is a discrete random​ variable, continuous random​ variable, or not a random variable.

A. The number of people with blood type Upper A in a random sample of 50 people

It is a continuous random variable.

It is a discrete random variable.

It is not a random variable.

b. The number of people in a restaurant that has a capacity of 200

It is a continuous random variable.

It is a discrete random variable.

It is not a random variable.

c. The political party affiliation of adults in the United States

It is a continuous random variable.

It is a discrete random variable.

It is not a random variable.

d. The time it takes to fly from City Upper A to City Upper B

It is a continuous random variable.

It is a discrete random variable.

It is not a random variable.

e. The number of hits to a website in a day f. The number of free dash throw attempts before the first shot is made

It is a continuous random variable.

It is a discrete random variable.

It is not a random variable.

Answer 1

A. it is a discrete random variable

reason: as number of people is a discrete count , which takes values such as 0 or 1 or 2

B.it is a discrete random variable

reason :same as A

C.it is not a random variable

D.it is a continuous random variable

reason : time is a continuous variable which can take any value in the interval

E.it is a discrete random variable

F.it is a discrete random variable