Basic Theoretical Probability and Set Notation

A bag has 4 green marbles, 3 red, 2 blue and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/6

• 1/9

• 1/3

The theoretical probability of rolling an even number on a dice.

• 30%

• 1/2

• 1/6

• 5/6

What is the probability of spinning green?

Choose the fraction in simplest form

• 0

• 1/4

• 1/2

• 3/4

What is the probability of spinning an even number?

• 30%

• 33%

• 50%

• 67%

Among 100 students 75 are participating at math club, 60 at history club and 55 at both clubs. Find probability of choosing student not participating at any clubs.

• 4/5

• 3/5

• 2/5

• 1/5

What does this symbol mean?
∅

• Empty set

• Intersection

• Universal set

• Number in set

Which is the correct set notation for 
A U B?

• {12, 14, 15, 18, 21}

• {10, 11, 12, 14, 15, 18, 21}

• {10, 11, 13, 16, 17, 19, 20}

• {12, 14, 15, 18}

The mathematical calculation that an event will happen in theory.

• Sample Space

• Empirical Probability

• Theoretical Probability

• Tree Diagram

What is the probability of spinning a 2 on the spinner?

• 1/2

• 1/3

• 1/8

• 1/4

You spin the spinner 1 time.

What is P(7)?

• 1/3

• 2/5

• 3/4

• 1/4