CP Algebra 1 Name:

Probability Quiz #1 Review Mods:

1. Which completes this probability distribution?

A / 6 / 7 / 8 / 9
P(A) / 0.23 / 0.24 / 0.12

2. A box contains nine cutouts of the same triangle differing only in color. If one cutout is drawn at random, what is the probability of choosing a specific color?

3. In a local district, there are 9,876 Democratic, 5,676 Republican, and 234 Independent voters registered. If a voter is selected at random, what is the probability that the voter selected is not a Republican?

4. A bag contains 14 red, 31 green, and 5 white marbles, all identical but for color. What is the probability of randomly choosing a red marble?

5. At VHS, 45 students drive a Volvo, 99 students drive a Toyota, 23 students drive a Mercedes, and 23 students drive neither a Volvo, Toyota, nor Mercedes. If a student is chosen at random, what is the probability that the student drives a Volvo?

6. A weather forecaster predicts that there is a 89% probability of rain today. What is the probability that it will not rain today?

7. The following spinner has colors yellow, blue, and red on it. List all of the outcomes you would get from spinning the spinner and rolling a 3 sided die.

8. How many seven-digit telephone numbers are possible if the first two digits are 89 in that order, the fifth digit is not 0 or 1, and the seventh digit is not 4?

9. If a spinner is spun on the figure below, what is the probability that it will land in region B if A = 20and C = 40?

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11. Mary has 14 different shirts, 12 different skirts, and 14 different pairs of shoes. How many outfits can she make?

12. A bag contains 16 red marbles, 5 blue marbles, and 8 white marbles. What is the probability of randomly drawing 1 white marble from the bag?

13. A locker combination contains 4 numbers, each ranging from 0 to 20, except the first number, which can be from 1 to 18. How many possible locker combinations can be made?

14. A circle with radius 6 is placed completely inside of a square with side length 12. What is the probability that a randomly thrown dart which lands in the square will land inside the circle?

15. What is the probability that a card chosen at random from a deck of 52 cards will be a 9?