Show:
Probability
Making Predictions
Independent Events
Dependent Events
Miscellaneous
100
When two events are equally likely, the probability of them happening is ____.
1/2, 0.5, 50%
100
If I were to flip a coin 436 times, how many time should I expect to get a heads?
218
100
If I flip a coin and roll a number cube, what is the probability that I will get heads and the number 6?
1/12
100
If you pull a card from a standard deck of cards, don't replace it, then choose another, what is the probability that you will choose two blacks?
25/102
100

All probabilities can be written as a number from ____ to ____.

0, 1

200
If something is impossible its probability is ___.
0
200
The probability of winning a contest is 1/18. If you participated in this contest 200 times, about how many times would you expect to win?
About 11
200
If I were to choose a card from a standard deck of cards, put it back, and choose another, what are the chances that I will choose a black card, and then a 7.
1/26
200
If I choose a random letter from the word Mathematics, don't put it back and choose another, what is the probability that I will choose an "m" and a "h"?
1/55
200

An event that is likely to happen would have a probability somewhere between ____% and ____%.

50% and 100%

300
The vending machine has 4 Cokes, 3 Sprites, 2 Dr. Peppers, and 5 Mt. Dew left. If I put my money in and randomly push a button with my eyes closed, what is the probability that I will end up with a coke? Express your answer as a fraction, decimal, and percent.
2/7, .29, 29%
300
You have a 4/5 chance of guessing wrong on a certain multiple choice question. If you had a 28 question test, how many questions would you expect to get wrong?
About 22
300
You choose a letter from the word "poops", replace it, and then pick another. You are trying to choose the two letter p's. What is the probability that you will do this?
4/25
300
What is the probability that I choose two red kings from a deck of cards if I choose one, don't put it back, then choose another?
1/1326
300

Candy figured out that the theoretical probability of her making a free throw was 7/12. She took 12 free throws, and only made 6 of them. What could Candy to get her theoretical and experimental probability closer together?

Candy should take more free throws to do the experiment more times.

400
My jewelry box has 5 silver bracelets, 2 gold rings, 4 silver necklaces, a silver watch, 3 pairs of gold earrings, and 1 silver pin. If I choose one piece of jewelry to wear tomorrow, what are the chances that it will be silver?
11/16, .69, 69%
400
I have 4 quarters, 3 dimes, 7 nickels, and 6 pennies in my pocket. If I were to reach in and pull out a random coin 60 times, about how many times would you expect that I would pull out a penny?
18
400
Mrs. Whalen has a giant bag of starburst hiding in her room somewhere. It has 45 pink, 30 red, 42 yellow and 28 orange. If she picks one, puts it back, then picks another one, what is the probability that she will choose a red one then a pink one?
54/841
400
A variety pack of chips has 10 bag of Cheetos, 8 bags of Doritos, 12 bags of Potato Chips, 8 bags of Fritos, and 6 bags of Cheese Curls. If I pick 3 bags, without replacement, what is the probability of choosing Fritos, Cheetos, then another bag of Fritos?
10/1419
400

What does the word "sum" mean?

The answer to an addition problem.

500
What is the probability that I will choose the letter "s" if I were to randomly select a letter from the word Mississippi? Write your answer as a fraction, decimal, and percent.
4/11, .36, 36%
500
A box of crayons contains 17 blue, 12 red, 6 pink, 11 green, and 16 black is on my desk. If I were to choose a random crayon 400 times, about how many times would you expect that I would choose a pink crayon?
About 39 times
500
You spin a spinner with sections numbered 1-7, you flip a coin, roll a number cube, and select a card from standard deck of cards. What is the probability that you spin a number less that 5, flip a tails, roll an odd number, and choose a Queen.
16/1456 = 1/91
500
A classroom has 26 students. 12 are girls. If the teacher calls on a student, they don't get the right answer, and she calls on another one, what is the probability that both students are boys?
7/25
500

A game spinner has four sections; blue, green, red, and yellow. Marlee spun this spinner several times. The frequency of her spins is listed below: Blue: 12 Green: 14 Red: 10 Yellow: 14 Find the experimental probability of Marlee spinning each color. Write your answer as a percent.

Blue- 24%, Green- 28%, Red- 20%, Yellow- 28%