Probability Quiz 1

What is sample space?

• a process with an uncertain result

• a possible result of an action

• a list of all possible outcomes of an event

• a single outcome or group of outcomes

What is the probability of rolling an even number on a dice. The dice is numbered 1-6.

• 3/6
• 1/2
• 1/6
• 5/6

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

• 3/10
• 3/9
• 1/9
• 1/3

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

If you roll a 6-sided die, what is the probability of rolling a two?

• 2/6

• 1/6

• 1/3

• 1/5

If you select a marble without looking, what is the probability that it will be blue?

• 1/3

• 2/5

• 1/6

• impossible

If you select a marble without looking, how likely is it that you will pick a black one?

• certain

• probable

• unlikely

• impossible

If you flip a coin, what is the probability that it will land on heads?

• 1/4

• 1/8

• 1/2

• 1/3

If you select a marble without looking, how likely is it that you will pick a black one?

• certain

• probable

• unlikely

• impossible

A likely chance event is closer to what number?

• 0
• 1
• .5
• 100