Probability
What is 75% or .75?
Impossible, Unlikely, Likely, or Certain
Likely
Tell whether x and y are proportional
X 1, 3, 9
Y 8, 24, 75
No
Find the product
-6(-2)
12
Simplify the expression
5(a-2)
5a-10
Favorite Sport?
Soccer
x+5 < 9
x<4
What is the percent of rolling a 1 on dice?
1/6 or 16.7%
Determine which password is less likely to be guessed.
A password with 6 numbers or a password with 4 capital letters
A password with 6 numbers
Simplify the expression
-7(1+3x)
What grade am I in?
11
$700 at 3% for 4 years
$84
Find the annual interest rate
I=$16, P=$200, t=2 years
4%
Fundamental Counting Principle to find the total number of possible outcomes.
Size Smal, Medium, Large
Flavor OJ, Apple Juice, Milk, Lemonade
12 possible outcomes
You flip a coin and roll the 20-sided figure. Find the probability of the compound event
Flipping tails and rolling at least a 14
7/40 or 17.5%
Favorite Color?
Red
6<-2g
g<-3
Find the annual interest rate.
I=$26.25, P=$500, t= 18 months
3.5%
Use a tree diagram to find the outcomes
Item Keychain, Magnet
Color Blue, Green, red
6 Outcomes
You flip a coin and roll the 20-sided figure. Find the probability of the compound event
Flipping heads and rolling less than 3
1/20, or 5%
Name of dog?
Toby
$1200 at 2.8% for 30 months
$84
The theoretical probability of winning a car when spinning a prize wheel is 1/6. The wheel has 18 sections.
How many sections have a car as a prize?
3 sections
What is the probability of randomly choosing a banana and milk?
Fruit Apple, Banna, Pear
Drink Water, Iced tea, Milk
1/9
Double Jeopardy
Science
2