Probability Quest Worksheet Final
Probability Quest
Chapter 10 Assessment
Name: __________________________ Date: ________
Instructions:
Choose the best answer for each question. All questions are derived directly from the Chapter 10 lessons on outcomes, probability, and population analysis.
1
You roll a number cube. What are the possible outcomes?
A 1, 2, 3, 4, 5, 6
B 1, 3, 5
C 2, 4, 6
D 0, 1, 2, 3, 4, 5, 6
2
What are the favorable outcomes of rolling an even number on a number cube?
A 1, 2, 3
B 2, 4, 6
C 1, 3, 5
D 2, 4, 5
3
What are the favorable outcomes of rolling a number greater than 5 on a number cube?
A 4, 5, 6
B 5, 6
C 6
D None
4
The probability that you land a jump on a snowboard is \( \frac{1}{2} \). Describe the likelihood of the event.
A Impossible
B Unlikely
C Equally likely
D Likely
5
There is a 100% chance that the temperature will be less than 120°F tomorrow. Describe the likelihood.
A Likely
B Certain
C Unlikely
D Equally likely
6
You roll a number cube. What is the probability of rolling an odd number?
A \( \frac{1}{6} \)
B \( \frac{1}{3} \)
C \( \frac{1}{2} \)
D \( \frac{2}{3} \)
7
The probability that you draw a short straw from 40 straws is \( \frac{3}{20} \). How many are short straws?
A 4
B 6
C 15
D 34
8
In 50 rolls, an odd number was rolled 29 times. What is the experimental probability of rolling an odd number?
A 50%
B 58%
C 29%
D 60%
9
It rains 2 out of 12 days in March. If this trend continues, how many rainy days expected in April (30 days)?
A 2 days
B 5 days
C 6 days
D 10 days
10
An inspector finds 5 defective pairs in 200. How many expected in 5,000 jeans?
A 100
B 125
C 250
D 500
11
Choosing from {E, L, X, O, P, E, R}, what is the theoretical probability of a vowel?
A \( \frac{2}{7} \)
B \( \frac{3}{7} \)
C \( \frac{1}{2} \)
D \( \frac{4}{7} \)
12
Probability of a bobblehead is \( \frac{1}{6} \). There are 3 sections. How many total wheel sections?
A 6
B 12
C 18
D 24
13
A shop offers 2 crusts and 4 styles. How many different pizzas are possible?
A 6
B 8
C 12
D 16
14
If a "Deep Dish" crust is added (making 3 crusts, 4 styles), how many possible pizzas?
A 7
B 10
C 12
D 15
15
What is the probability of rolling a number > 4 on a cube AND flipping tails on a coin?
A \( \frac{1}{6} \)
B \( \frac{1}{4} \)
C \( \frac{1}{12} \)
D \( \frac{1}{3} \)
16
You flip three nickels. What is the probability of flipping exactly two heads and one tail?
A \( \frac{1}{8} \)
B \( \frac{1}{4} \)
C \( \frac{3}{8} \)
D \( \frac{1}{2} \)
17
What is the probability of rolling at most 4 on a number cube and flipping heads?
A \( \frac{1}{3} \)
B \( \frac{1}{4} \)
C \( \frac{1}{6} \)
D \( \frac{2}{3} \)
18
You flip three nickels. What is the probability of flipping at least two tails?
A \( \frac{1}{8} \)
B \( \frac{3}{8} \)
C \( \frac{1}{2} \)
D \( \frac{5}{8} \)
19
You roll two number cubes. What is the probability of rolling double threes?
A \( \frac{1}{6} \)
B \( \frac{1}{12} \)
C \( \frac{1}{36} \)
D \( \frac{1}{18} \)
20
What is the probability of choosing a stuffed crust Hawaiian pizza (from a 2x4 menu)?
A \( \frac{1}{4} \)
B \( \frac{1}{8} \)
C \( \frac{1}{2} \)
D \( \frac{1}{6} \)
21
You spin a 5-section spinner (1-5) and flip a coin. Probability of prime and tails?
A \( \frac{3}{10} \)
B \( \frac{1}{5} \)
C \( \frac{1}{2} \)
D \( \frac{2}{5} \)
22
Probability of spinning a multiple of 2 on a 5-section spinner and flipping heads?
A \( \frac{1}{10} \)
B \( \frac{1}{5} \)
C \( \frac{2}{5} \)
D \( \frac{1}{2} \)
23
You want to estimate the students who ride the bus. Which sample is unbiased?
A 4 students
B Band members
C 50 seniors
D Lunch random
24
Which of these best describes a biased sample?
A Representative
B Selected at random
C Favored parts
D Large enough
25
To estimate 8th graders who listen to music, which is an unbiased sample?
A Band members
B Alphabetical list
C Concert students
D Friends
26
Candidate A mean is 84s. B mean is 58s. What is the difference in means?
A 15 seconds
B 26 seconds
C 42 seconds
D 142 seconds
27
Candidate A MAD is 16. B MAD is 15. What can you conclude about variation?
A Higher for A
B Higher for B
C About the same
D Unknown
28
Difference in means is 26 and MAD is 16. Express the difference as a multiple of the MAD.
A 1.0
B 1.6
C 2.6
D 0.6
29
What is the numerical probability of an "Impossible" event on the probability scale?
A 0
B 0.5
C 1
D 100%
30
What is the numerical probability of a "Likely" event on the probability scale?
A 0.25
B 0.50
C 0.75
D 1.0
