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Math Cafe Statistics and Probability

Authored by Barbara White

Mathematics

11th Grade

Math Cafe Statistics and Probability
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33 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Discrete variable is from qualities that can be

Measured

Counted

Both A and B

none of these

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Continuous variable is from qualities that can be

Measured

Counted

Both A and B

none of these

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following is NOT a continuous variable?

A person’s height each year

A person’s weight on each birthday

Number of Cars finished in a factory each day

The volume of water in a swimming pool

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of these is NOT a discrete variable?

The number of students absent in a class

The number of death per year attributed to lung cancer

The average amount of electricity consumed per household

per month

The number of people who drive through a red light each

hour during rush hour

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The number of avocado produced by an avocado tree each year is a continuous variable

True

False

Maybe

Cannot be determined

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If two coins are tossed, which is NOT a possible value of the random variable for the number of heads?

0

1

2

3

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following is NOT a true statement?

The value of a random variable could be zero.

Random variables can only have one value.

The probability of all the value of a random variable could be zero.

The sum of all the probabilities in a probability distribution is always equal to one.

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