Theoretical Probability
Outcomes
Making Predicitions
Experimental Probability
Probability of Independent Events
100
A number cube is rolled. Find the probability of rolling a 5. Write your answer as a fraction, a decimal and a percent.
1/6, 0.167, 16.7%
100

How many outfits are possible from a choice of jeans or khaki shorts and a choice of a yellow, white, or blue shirt? Use a 2D-grid.

6 possible outcomes

100

Determine whether each sample is a good sample. favorite television show at a local department store

What is a good survey

100
Out of the past 65 school days, Logan has bought school lunch 5 times. What is the experimental probability that Logan will buy school lunch tomorrow?
1/13
100

A letter card is chosen, and a number cube is rolled. Find the probability of each event. P(A and 5)

What is 1/48

200
A marble is drawn from a bag. The bag contains 3 blue marbles, 5 white marbles, and 1 green marble. Find the probability of drawing a black marble.
0
200

What are the possible outcomes if you choose a slice of pie and a beverage from these options: Pie: apple, peach or cherry Beverage: milk, juice or tea

9 outcomes

200
Determine whether each sample is a good sample. favorite sport at a soccer game.
What is not a good survey
200
Xaylie has worn her hair in a pony tail 15 times over the past 50 days. What is the experimental probability that Xaylie will wear her hair in a pony tail tomorrow?
3/10
200

A letter card is chosen, and a number cube is rolled. Find the probability of each event. P(K and even)

What is 1/16

300
A spinner is divided into 8 equal sections. Each section is labeled 1 through 8. Find the probability of rolling a 4 or 6. Write your answer as a fraction, a decimal, and a percent.
1/4, .25, 25%
300

You roll a die twice. How many possible outcomes are there?

36 possible outcomes

300
Determine whether each sample is a good sample. favorite ice cream flavor at school
What is a good survey
300
Josh has been late to his piano lesson 6 times over the last 18 lessons. What is the experimental probability that Josh will be ON TIME for his next lesson?
2/3
300

A letter card is chosen, and a number cube is rolled. Find the probability of each event. P(J and less than 3)

What is 1/24

400
A number cube is rolled. Find the probability of NOT rolling a 3 or 4. Write your answer as a fraction, a decimal, and a percent.
2/3, 0.666, 66.6%
400
A coin is tossed three times. How many outcomes are possible?
8 possible outcomes
400

In Silverdale, on average there are 50 days with precipitation (rain or snow) during October, November, and December. Your cousin is planning to visit for 8 days, but he only wants to come if there will likely be at least 5 days with no rain. Should your cousin visit during this 3-month period? Why or why not?

What is 2/3

400
When Mrs. Forbes draws Ridgetop Rocks tickets, she records which grade level they come from. Here is the latest data: 6th grade - 15 7th grade - 11 8th grade - 7 What is the experimental probability that the next Ridgetop Rocks ticket that is drawn will be from the 7th grade?
1/3
400

A chip is chosen from a bag that contains 7 red, 15 purple, and 3 blue chips. The chosen chip is then returned to the bag and a 2nd chip is chosen. The 2nd chip is returned to the bag and then a 3rd chip is chosen. What is the probability of choosing a red, then another red, and then a purple, in that order? Express your answer as a percent, rounded to the nearest tenth.

4.7%

500
A number cube is rolled and a coin is tossed. Find the probability of rolling a multiple of 2 and getting heads. Write your answer as a fraction, a decimal and a percent.
1/4, 0.25, 25%
500

A die has the numbers 0, 0, 1, 1, 4 and 5. It is rolled twice. Illustrate the sample space using a 2-D grid. How many outcomes are possible?


36 possible outcomes

500
In basketball, Daniel, made 12 of his last 18 shots. Suppose Daniel takes 30 shots during his next game. About how many of the shots will he make?
What is 20.
500
Cooper rolls a die 80 times. Here are the results: #1 - 12 times #2 - 15 times #3 - 13 times #4 - 11 times #5 - 14 times #6 - 15 times What is the experimental probability of rolling a 5? How is that different from the theoretical probability of rolling a 5?
The experimental probability is 7/40 or 17.5%. The theoretical probability is 1/6 or 16.7%. The experimental probability was 0.8% higher than the theoretical probability.
500

Sam has a deck of cards with one of each letter, A through Z, on each card. A letter card is chosen from this deck, and a number cube is rolled. Find the probability of drawing out a vowel and the number 4.

5/156