15 questions
Determine the probability of the following even occuring: You flip a fair coin and the coin will land heads up.
0
1/4
1/2
1
What is the probability of spinning the fair 8-sided spinner and landing on the 7?
impossible - 0 / 8
1 / 2
1 / 8
7 / 8
What is the probability of spinning a fair 6-sided spinner and landing on an odd number?
1 / 2
5 / 6
6 / 6 or 1
0 / 6
What is the probability of rolling a fair 6-sided die and having it land as a six?
1/6
5/6
1/3
1/2
What is the probability of rolling a fair 6-sided die and having it land on an odd number?
3/4
1/3
1/2
2/5
What is the probability of rolling a sum of 15 with a pair of six-sided dice?
0
1 / 36
15 / 36
5 / 36
What is the probability of spinning green or blue (assuming each slice/section is equal in size)?
0
5/12
1/2
3/4
Find the probability of NOT rolling a 2 on a single fair 6-sided die.
1/6
2/6
5/6
2
If you randomly pick from the following M & M colors from a bag, what is the probability that you choose blue?
5 green
6 yellow
8 blue
7 brown
8/26 or 4/13
7/26
8/25
1/3
Is this probability assignment possible?
YES! Because all probabilities add up to 1!
NO! Because it doesn't have enough probabilities.
NO! Because the probabilities do not add up to 1.
NO! Because I cannot get a grade of 0, 1, 2, 3, or 4.
If Mrs. Mack polls the class and asks, "What is your favorite pizza topping?" Suppose that the responses include: 10% cheese; 30% pepperoni; 25% sausage; 5% ham. What percent of the class have another opinion?
20%
30%
35%
This cannot be calculated.
Consider a couple who have four children, and all of the children were born separately (no twins, triplets, etc.). Also, assume having a male or female is equally likely.
What is the probability of the couple having all females?
.5
.25
.125
.0625