Probability & Stats Unit 5 review

For a standard 6-sided dice, what is P(even)?

• 1/6

• 1/3

• 1/2

• 2/3

Formula for P(A or B)?

• P(A and B)/P(B)

• P(A) + P(B) + P(A and B)

• P(A) + P(B) - P(A and B)

• P(A and B)/P(A)

What statement does the shaded region represent

• A or B
• Not A
• A and B
• Not B

The probability of it raining today is 30%.  What is the probability that it will NOT rain?

• 30%
• 70%
• 100%
• 0%

The table shows the age and gender for 25 contest entrants. If the winner is selected randomly, what is the probability that they will be female or under 40?

• 8/25

• 23/25

• 20/25

• 8/11

How many senior boys play football and wrestle?

• 9
• 12
• 18
• 39

How many senior boys play football but do not wrestle?

• 9
• 12
• 18
• 104

Find the probability that a driver was not wearing a seat belt and was injured

• (0.23)(0.37)

• (0.23)(0.63)

• (0.23)(0.37)+(0.77)(0.08)

• (0.77)(0.08)

Ms. Teauges has a 12% chance of making a free throw. What is the probability she shoots twice and makes both?

• 0.140

• 0.014

• 0.240

• 0.051

You play chess with a friend, and you know each game is independent of each other. The probability of you winning any game is 0.6. If you play three games against your friend, what is the probability that you win at least 1 game?