topic badge
CanadaON
Grade 12

Discrete and Continuous Random Variables

Interactive practice questions

At the beginning of the year, a teacher seats his students alphabetically to learn their names quickly.

a

Can we use a probability distribution to model where a particular child will sit in the class?

No

A

Yes, a discrete probability distribution

B

Yes, a continuous probability distribution

C
b

Which of the following explains why a probability distribution doesn’t exist for this situation?

The outcomes are not random.

A

The outcomes are not variable.

B
Easy
< 1min

A teacher randomly selects $3$3 students from her class of $28$28 students to prepare a presentation for assembly.

Easy
< 1min

A manager randomly selects four people from his Sales team and two people from his Development team to attend a leadership conference.

Easy
< 1min

Four cards are randomly selected without replacement from a standard pack of $52$52 cards.

Easy
< 1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account

Outcomes

12D.B.2.5

Recognize that theoretical probability for a continuous random variable is determined over a range of values, that the probability that a continuous random variable takes any single value is zero, and that the probabilities of ranges of values form the probability distribution associated with the random variable

What is Mathspace

About Mathspace