Probability
There are 5 green, 2 orange, and 3 purple slips. What is the probability of drawing an orange?
2/10 or 1/5
Convert 1/5 to a percent
20%
What is the median of: 47, 49, 50, 51, 53, 56?
50.5
What is the range of: 22, 24, 28, 25, 29, 23?
7
How many outcomes are there if a spinner has 3 options and a number cube has 6?
18
A 6-sided die is rolled. What is the probability of rolling a 4?
1/6
What is 3/8 as a decimal?
0.375
What is the mean of: 56, 49, 51, 58, 50, 47, 53?
52
What is the mode of: 31, 34, 31, 30, 35, 34, 34?
34
If James spins P, Q, or R and picks ball 2, 3, 4, or 5, how many total outcomes are there?
12
In the word “LUCKY”, what is the probability of picking a vowel, with Y being a consonant?
1/6 or ~16.7%
If 2 out of 5 outcomes are favorable, what is the probability as a percent?
40%
Find the mode: 72, 88, 79, 84, 88, 91, 76, 83
88
Find the outlier: 23, 25, 27, 26, 90, 24, 28
90
You flip a coin (Heads or Tails) and roll a number cube (1–6). How many outcomes show a Head and an even number?
3 (H2, H4, H6)
A black ball is randomly drawn from a set of 6 balls: 2 white, 1 black, 1 grey, 2 striped. What is the probability of drawing a black ball?
1/6 or 16.7%
You have a 1 in 4 chance of winning a prize. Express this as a decimal.
0.25
Find the mean of: 14, 19, 17, 16, 21, 20, 18
18
Which of the following has the smallest range:
a. 55, 21, 88, 34, 71, 64
b. 40, 85, 36, 91, 62, 59
c. 22, 24, 28, 25, 29, 23?
7
A restaurant offers 2 types of sandwiches (Chicken or Veggie), 3 drinks (Water, Juice, or Soda), and 2 desserts (Cookies or Fruit). How many possible meal combinations are there?
12 (2 sandwiches × 3 drinks × 2 desserts = 12 outcomes)
If you pick a random letter from “EXPERIMENT”, what is the probability of picking an E?
3/10 or 30%
A spinner lands on R with a probability of 2/8. What is this as a percent?
25%
Mr. Lappin's golf scores: 92, 87, 84, 90, 86. What is his average?
87.8
Which set has the largest range:
a. 120, 133, 109, 114, 127, 115
b. 300, 290, 320, 280, 310, 299
c. 50, 92, 48, 100, 60, 73?
52
List all possible outcomes for a spinner (P, Q, R) and balls (2, 3, 4, 5)
P2, P3, P4, P5, Q2, Q3, Q4, Q5, R2, R3, R4, R5