Simple
Probability 1
Probability 1
Simple Probability 2
Compound Probability 1
Compound Probability 2
Experimental Probability
100
Suppose a number cube is rolled. What is the probability of rolling a 0? P(0)
What is 0? It is an impossible event
100
There are 1 red marble, 2 orange marbles, 3 yellow marbles, and 4 green marbles in a bag. Suppose one marble is selected. What is the probability of selecting an orange marble? Express as a percent.
P(orange)
What is 20%?
100
What is the probability of tossing two fair coins with heads side up?
P(heads)
What is 1/4?
100
Rick takes two coins at random from the 3 quarters, 5 dimes, and 2 nickels in his pocket. What is the probability that he chooses a quarter followed by a dime without replacing the quarter? P(quarter, then dime)
What is 1/6?
100
What is the experimental probability that a student in the class below has green eyes?
2/80 or 1/40
200
Suppose a number cube is rolled. What is the probability of rolling a 4 or a 5?
P(4 or 5)
What is 1/3?
200
Using the word SOUTHERN, what is the probability of selecting a vowel if the letters were written on paper and placed in a hat?
What is 3/8 or 37.5%?
200
How many outcomes are there with tossing a coin and rolling a dice?
12
200
A number cube is rolled and a spinner labeled A - E is spun.
Find the probability.
P(3 and E)
What is 1/30?
200
What is the experimental probability that a student in the class below has blue or hazel eyes?
20/80 or 1/4
300
Suppose a number cube is rolled. What is the probability of not rolling a 1 or a 2?
P(not 1 or 2)
What is 2/3?
300
Using the word SOUTHERN, what is the probability of selecting a vowel or an S if the letters were written on paper and placed in a hat?
What is 4/8 or 50%?
300
An ice cream parlor has 8 different flavors. They have 5 toppings and 2 types of cones. How many possible ice cream combinations are there?
80
300
A number cube is rolled and a spinner labeled A - E is spun.
Find the probability.
P(an odd number and a consonant)
What is 3/10?
300
What is the experimental probability that a student in the class below does not have green or hazel eyes?
70/80 or 7/8
400
A number cube is rolled. What is the probability of rolling an even or odd number? P(even or odd).
100% or 1
400
Using the word MATHEMATICS, what is the probability of selecting a letter that is not a vowel if the letters were written on paper and placed in a hat?
What is 7/11 or 63.6%?
400
Two red counters and two white counters are placed in a bag. What is the probability of pulling a red counter, followed by a white counter without replacement?
P(red, then white)
What is 1/3?
400
If a fair coin is tossed three times, what is the probability of getting tails three times in a row?
P(three tails)
What is 1/8?
400
How does the experimental probability of a student having brown eyes compare with the theoretical probability of a student having brown eyes?
29/40 (73%) vs. 1/4 (25%)
500
Suppose two-six sided number cubes are rolled. Find the probability of rolling the sum of 7. P(sum of 7)
What is 1/12?
500
Letter tiles A - Z are placed in a bag. What is the probability of pulling out the standard vowels? Express as a percent. Round to the nearest tenths.
P(vowel)
What is 19.2%?
500
Using the word SOUTHERN, what is the probability of selecting two vowels in a row (with replacing the first letter drawn) if the letters were written on paper and placed in a hat?
What is 9/64 or 14.1%?
500
There are 1 red marble, 2 orange marbles, 3 yellow marbles, and 4 green marbles in a bag. Once a marble is drawn, it is not replaced. Find the probability.
P(two yellows in a row)
What is 1/15?
500
If the distribution of eye color in the school is similar to the distribution in the class below, about how many of the 360 students in the grade would be expected to
have brown eyes?
261