Percentages
Basic Probability
Word problems
Outcomes and Sample Space
Mixed bag
100
Convert 4.9% to a decimal.
What is .049
100
A bag has seven Snickers and three Milky Way bars. This the probability of pulling out a Snickers?
Write answer in all 3 forms used with probabilities.
What is 70%, 0.70, and 7/10 or 70/100
100
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, you would expect the game to end in a tie this many times if they played 300 games.
What is 60 times?
100
Outcomes that satisfy the conditions of an event.
What are favorable outcomes?
100
The likelihood that your name will be drawn when a name is selected randomly from a container containing the names of all the students in your class
What is unlikely?
200
75% of ______ is 15
What is 20?
200
This percent represents the probability of drawing a green marble from a bag with 9 green and 11 black marbles.
What is 45%
200
Use the percent equation to solve: The local bakery sells 450 donuts a day. If 70% if these donuts are sold in the morning, how many donuts are sold in the morning?
What is 315 donuts?
200
This type of diagram can be used to determine the total possible outcomes for multiple step events.
What is a tree diagram?
200
For every 75 light bulbs produced at a factory, 2 are defective. In a box of 300 light bulbs, how many would likely be defective?
Ratio 2/75 = x/300 Solve the ratio and you get 8 defective light bulbs.
300
_____ is 40% of 65.
What is 26?
300
This is the probability, in simplest form, of rolling greater than 2 on a ten-sided die numbered 1-10.
What is 4/5?
300
The sales price of a $14 scarf marked, "20% off."
0.20 x $14.00 = $2.80
$14.00 - $2.80 = $11.20
What is $11.20?
300
Write the sample space for the spinner-
What is-
S = {red, red, blue, blue, blue, yellow, yellow, green}
300
What is 1/200 as a percentage?
0.5% , or 1/2 %
400
The fraction 3 7/10 written as a percentage.
What is 370%
400
A bag has 7 reds, 5 blues, and 3 greens. Say you pulled a marble 110 times. This is the number of times would you expect to get a green marble.
Green ratio: 3/15 = .20
110 x .20 = 22
22 green marbles
400
Use the percent equation. 0.5% of all statistics are true. If you have a list of 1,400 statistics, this many are true...
What is 7 statistics?
400
M&Ms come in blue, green, brown, red, yellow, and orange. One factory makes plain, peanut, pretzel, and dark M&Ms. This is the total number of differnt M&Ms the factory makes.
What is 24?
400
What is the probability of spinning red on the spinner and rolling a 5 on a six sided die.
What is theoretical 2/48 or 1/24?
500
This is 2.5% of $60. (no calculator)
What is $1.50?
500
If 14 of 40 students are interested in participating in athletics, out of 420 total students, this number of would be expected to be interested in athletics.
What is 147 students?
500
If a sweater costs $37.99, and the sales tax is 6%, what is the total price of the sweater?
What is $40.27?
500
The number of possible outcomes when you roll 2 die and flip a coin.
What is 72 outcomes?
500
FINAL JEOPARDY:
Sam owes $12,000 in students loans for college. The annual interest rate is 8.25% and the loan will be paid off over 6 years. How much will he pay altogether?
$12,000 x 0.0825 x 6 = $5,940
$12,000 + $5,940 = $17,940
Sam will pay $17,940 for his loan of $12,000