Theoretical Probability
A bag has 5 reds, 3 blues, and 3 greens. What's the probability you select a red?
5/11
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 theoretical probability they tie? (Fraction and Percent)
1/3 or 33%
There is a 50% chance of snow in the forecast. Describe the likelihood of snow.
It is equally likely for snow to happen or not.
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. How many times do you expect them to tie if they play 300 times?
100
An ice cream store sells sundaes. You can choose between strawberry, chocolate, or vanilla ice cream. You can add bananas, fresh strawberries, or chocolate sauce. You can top it off with sprinkles, chopped nuts, chocolate chips, or pop rocks. How many different combinations are possible?
36
Evan 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? How many total choices does he have?
1/27
27
When we set two ratios (or fractions) equal to each other we called them what?
A Proportion or equivalent
A bag has 5 reds, 3 blues, and 3 greens. You reach in and pull out a red. Now, what's the probability you either red or blue? (Fraction and Percent)
8/10=4/5
80%
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 each person to tie if they play 300 games?
60
90
Ivy makes 3 point shots 33% of the time (1/3). That means he misses 67% of the time (2/3). What's the probability that he makes two shots in a row? Then what's the probability he misses two shots in a row? (Fraction and Percent)
1/9 or 11%
4/9 or 44%
What the goal when solving equations?
Isolate the variable
A bag has 5 reds, 3 blues, and 3 greens. (11 total) Say you pulled a marble 110 times. How often would you expect to get a green marble?
30
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 person A to win if they play 300 games?
120
You flip a coin 10 times. How many possible outcomes are there?
1,024
Nolan makes 3 point shots 33% of the time (1/3). That means he misses 67% of the time (2/3). What's the probability that he first makes a shot and then misses a shot? (Fraction and Percent)
2/9
22%
Probabilities are between which two numbers?