Simple Probability and Complement, and Making Predictions in Probability

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

What is the probability of spinning red?

• 0
• 5/12
• 1/2
• 3/4

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7
• 5/49
• 5/7
• 10/49

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement.P(both marbles are purple)

• 2/9
• 1/3
• 1/2
• 1/4

How do you write 0.02 as a percent?

• 20%
• 200%
• 2%
• .02%

The outcome of one event does not influence the outcome of the other event

• independent event
• tree diagram
• simple event
• odds

The outcome of one event does influence the outcome of the other event

• mutually exclusive event
• probability
• dependent event
• simple probability

You flip a nickel three times.
Find the probability that all flips will land on tails.

• 1/2
• 1/4
• 1/6
• 1/8

Event A has a probability of 0.3. What is the probability of the complement of Event A?

• 7/100

• 7/10

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3? 

• 1/12
• 1/4
• 1/8
• 1/2