1. Probability Trash-ball
Ratio
Impossible to Certain
Experiment vs. Theory Q1 Q2 Q3 Q4 Q5

2. You ask a friend to think of a number from four to twelve.
Q1: Probability Ratio
You ask a friend to think of a number from four to twelve.
What is the probability that his number will be 8?

3. Q1 Answer: Probability Ratio
1/9

4. Q2: Probability Ratio
A bag contains 5 blue sticks, 4 red sticks, and 3 orange sticks and you ask a friend to pick one without looking. What is the probability that the stick will be blue?

5. Q2 Answer: Probability Ratio
5/12

6. Q3: Probability Ratio
A bag contains ten black marbles, twenty white marbles, and five grey marbles. You pick one without looking. What is the probability that the marble will be either white OR black?

7. Q3 Answer: Probability Ratio
30/35 = 6/7

8. Q4: Probability Ratio
Each of the letters in the word SAMSUNG are on separate cards, face down on the table. If you pick a card at random, what is the probability that its letter will be S or U?

9. Q4 Answer: Probability Ratio
3/7

10. Q5: Probability Ratio
Molly is playing cards with her friend when she draws a card from a pack of 30 cards numbered from 1 to 30. What is the probability of drawing a number that is square?

11. Q5 Answer: Probability Ratio
5/30 = 1/6

12. Q1: Impossible to Certain
A bag contains five red marbles, fifteen black marbles, and ten white marbles. You pick one without looking. What is the probability that the marble will be either red OR white?

13. Q1 Answer: Impossible to Certain
15/30 = ½
Equally Likely

14. Q2: Impossible to Certain
A bag contains 6 purple sticks, 2 orange sticks, and 4 black sticks and you ask a friend to pick one without looking. What is the probability that the stick will be pink?

15. Q2 Answer: Impossible to Certain
0/12 = 0
Impossible

16. Q3: Impossible to Certain
Mike is playing cards with his sister when he draws a card from a pack of 35 cards numbered from 1 to 35. What is the probability of drawing a number that is divisible by 1?

17. Q3 Answer: Impossible to Certain
35/35 = 1
Certain

18. Q4: Impossible to Certain
A magician showed a magic trick where he picked one card from a standard deck. Determine what the probability is that the card will be a red color queen card?

19. Q4 Answer: Impossible to Certain
2/52 = 1/26
Unlikely

20. Q5: Impossible to Certain
A bag contains 3 green marbles, 5 blue marbles, and 8 red marbles and you ask a friend to pick one without looking. What is the P(not green)?

21. Q5 Answer: Impossible to Certain
13/16
Likely

22. Q1: Experiment vs. Theory
You flip a coin 10 times and out of those get
tails 8 times. What is the difference
between your Theoretical probability and
your Experimental probability?

23. Q1 Answer: Experiment vs. Theory
0.8 – 0.5 = 0.3

24. Q2: Experiment vs. Theory
You roll a die 24 times and roll 1 eleven times, what is the difference between the theoretical and experimental?

25. Q2 Answer: Experiment vs. Theory
0.46 – 0.17 = ~0.29

26. Q3: Experiment vs. Theory
You spin this spinner 12 times, You land on green 6 times. What is difference between the Experiment vs. Theory?

27. Q3 Answer: Experiment vs. Theory
= 0.25

28. Q4: Experiment vs. Theory
You have six marbles in a bag. 2 are red,
2 are blue, and 2 are green. You pull a
marble out and replace 6 times, and
Record 5 blue marbles.
Experiment vs. Theory?

29. Q4 Answer: Experiment vs. Theory
0.833 – 0.33 = ~0.5

30. Q5: Experiment vs. Theory
You flip a coin 35 times and get heads 15 times. What is the
Experimental vs. Theoretical?

31. Q5 Answer: Experiment vs. Theory
= 0.07