Review CH 12 Probability

Jason spins the spinner shown in the diagram and flips a coin. What is the sample space for the experiment?

• {1, 2, 3, H, T}

• {1, 2, 3, H, HT, TH}

• {1-H, 2-H, 3-H, 1-T, 2-T, 3-T}

• {1-H, 1-T, 2-H, 2-T, 3-H}

Maria spins the spinner shown in the diagram. Tell whether it is impossible, certain, equally likely, or not equally likely that she spins the letter B or F.

• not equally likely

• impossible

• certain

• equally likely

In how many ways can a group of 7 friends sit together in a row at the movie theater?

• 7

• 5040

• 720

• 14

A cookie is chosen from a jar containing 4 chocolate chip, 3 peanut butter, and 2 oatmeal raisin cookies. What is the probability that the cookie is chocolate chip? Express your answer as a fraction in lowest terms.

• 1/3

• 2/5

• 4/9

• 9/4

Suppose P(E) = 62% for event E. What is P(not E)?

• 62%

• 45%

• 38%

• 100%

Heather spins a spinner 20 times and records the results below. Based on the experimental probability, predict how many times she will spin green in 60 more attempts. Round to the nearest whole number if necessary.

RED - 6, BLUE - 2, GREEN - 5, YELLOW - 7

• 15

• 6

• 21

• 18

Horatio spins the spinner below one time. Calculate the odds in favor of spinning an odd number.

• 1 to 4

• 4 to 1

• 5 to 3

• 3 to 5

Michelle spins the spinner below one time. Calculate the odds against spinning an odd number.

• 5 : 3

• 2 : 3

• 3 : 5

• 3 : 2

A piggy bank contains the coins shown below. Suppose a coin is selected and not replaced. Then another coin is selected. Find P(dime, then penny).

PENNY - 3, NICKEL - 2, DIME - 5, QUARTER - 5

Misty and Craig are playing a game using a 1-6 number cube. Misty earns a point if she rolls a 1 or 6. Craig earns a point if he rolls a 2 or 4. Is the game fair or unfair?

• fair

• unfair