Theoretical Probability
A bag has 5 reds, 3 blues, and 3 greens. What's the probability you select a red? (Fraction and Percent)
5/11
45%
Person A and B play rock, paper, scissors. Person A could win, Person B could win, and they could tie. They play 50 times. Person A won 20 times, Person B won 20 times, and they tied 10 times. What's the experimental probability Person A will win the next game? (Fraction and Percent)
20/50 = 2/5 or 40%
Create a tree diagram for the possibilities for flipping a coin twice.
See boards
You flip a coin two times. What's the probability it lands on heads both times? (Fraction and Percent)
1/4
25%
This year, we added, subtracted, multiplied, and divided positive numbers, 0, and ____________ numbers.
Negative
A bag has 5 reds, 3 blues, and 3 greens. What's the probability you select a green or blue? (Fraction and Percent)
6/11
54%
Person A and B play rock, paper, scissors. Person A could win, Person B could win, and they could tie. They play 50 times. Person A won 20 times, Person B won 20 times, and they tied 10 times. What's the experimental probability they tie? (Fraction and Percent)
10/50=1/5
20%
You roll a 6-sided die. What's the probability you roll an odd number? (Fraction and Percent)
3/6=1/2
50%
You flip a coin and roll a 6 sided die. What's the probability you flip tails and roll a 4? (Fraction and Percent)
1/12
Simplify the expression
0.5x - 1/2x + 10 - 21 - 3/7x
-3/7x - 11
A bag has 5 reds, 3 blues, and 3 greens. What's the probability you select not blue? (Fraction and Percent)
8/11
73%
Person A and B play rock, paper, scissors. Person A could win, Person B could win, and they could tie. Theoretically, how many times do you expect the game to end in a tie if they play 300 times?
100 times
You roll a 6 sided die. What's the probability you roll a 7? (Fraction and percent)
0/6
0%
Luke could order McDonald's, Burger King, or Wendy's. He could get a coke, sprite, or water. He also could get a hamburger, chicken tenders, or a salad. What's the probability he gets McDonald's, a coke, and chicken tenders? (write as a fraction)
1/27
When we set two ratios (or fractions) equal to each other we called them what?
A Proportion
A bag has 5 reds, 3 blues, and 3 greens. What's the probability you pull either a red or blue? (Fraction and Percent)
8/11
73%
Person A and B play rock, paper, scissors. Person A could win, Person B could win, and they could tie. They play 50 times. Person A won 20 times, Person B won 20 times, and they tied 10 times. Based on the data, how often do you expect the game to end in a tie if they play 300 games?
60 times
You play a game in which a 6 sided number die is rolled. Is this a fair game? Explain
Yes because each outcome has the same chance of showing up.
Consider rolling a six sided die and flipping a coin. What is the probability of rolling a 5 and landing on tails?
1/12 or 8%
What the goal when solving equations?
Isolate the variable
A bag has 5 reds, 3 blues, and 3 greens. Say you pulled a marble 110 times. How often would you expect to get a green marble?
30 times
Person A and B play rock, paper, scissors. Person A could win, Person B could win, and they could tie. They play 50 times. Person A won 20 times, Person B won 20 times, and they tied 10 times. Based on the data, how often do you expect person A to win if they play 300 games?
120 times
Ordering pizza you can choose your type of crust and one topping. How many outcomes are there if the pizza place offers thin, hand tossed, and traditional crust and there are 10 different toppings to choose from?
30 outcomes
Consider rolling a six-sided die and flipping a 4-space spinner with equal portions of white, blue, red and yellow.
What is the probability of landing on white?
6/24 = 1/4
25%
What will the probabilities equal in a complete probability model?
1