Simple Events
Tree Diagrams
Theoretical & Experimental Probability
100
A bag contains 6 red, 3 pink, and 3 white bows. Suppose you draw a bow at random. Find P(not white).
3/4
100

What is the probability of getting a crunchy chicken taco?

1/6

100

A coin is tossed 75 times, and it lands on tails 55 times. What is the experimental probability of the coin landing on heads?

4/15

200
What is the probability of rolling an odd number on a number cube?
1/2
200

Make a tree diagram to find the total number of outcomes of choosing an ice cream cone from waffle, plain, or sugar and a flavor of ice cream from chocolate, vanilla, or strawberry.

9 outcomes

200

What is the theoretical probability of choosing a vowel from the word MATHEMATICS?

4/11

300
A dental hygienist randomly chooses a toothbrush in a drawer containing 17 white, 12 green, and 5 blue toothbrushes. What is the probability that she chooses a green toothbrush?
6/17
300

Make a tree diagram to find the total number of outcomes of making a sandwich from white, wheat, or rye bread, cheddar or Swiss cheese and ham, turkey, or roast beef.

18 outcomes

300
Myron has four dimes in his wallet with dates 1998, 1995, 2002, and 2000. If he randomly picks one dime from his wallet, what is the probability that it will have a date in the 1990s?
1/2
400
A set of 12 cards is numbered 1, 2, 3, ...12. Suppose you pick a card at random without looking. Find P(a multiple of 3).
1/3
400

Make a tree diagram to find the total number of outcomes of choosing one math class from algebra and geometry and one world language class from French, Spanish, or Latin.

6 outcomes

400
A spinner is spun 50 times, and it lands on the color blue 15 times. What is the experimental probability of spinning blue?
3/10
500
A package of balloons contains 5 green, 3 yellow, 4 red, and 8 pink balloons. Suppose you reach in the package and choose one balloon at random. Find P(red or yellow balloon).
7/20
500

For Roger to reach his cattle pasture, he must pass through three consecutive gates. Any of the gates can either be open or closed. Draw a tree diagram to show all of the possible positions of the gate. How many outcomes are there?

8 outcomes

500
In a survey, 50 people were asked to pick which movie they would see this weekend. Twenty chose "Horror Story", 15 chose "The Ink Well", 10 chose "The Monkey House", and 5 chose "Little Rabbit". What is the experimental probability of someone wanting to see "The Monkey House"?
1/5
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