chapter 6 review jeopardy tomorrow test is friday
TRANSCRIPT
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Chapter 6 ReviewJeopardy Tomorrow
Test is Friday
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True or False
• Experimental probability is based on knowing all the equally likely outcomes of an experiment.
• FALSE – theoretical probability is when you figure out all of the possible outcomes.
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Matching
The type of probability that is is based on knowing all the equally likely outcomes of an experiment.
A. ExperimentalB. Theoretical
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Fill in the blank!
• ____________ probability is based on knowing all the equally likely outcomes of an experiment.
• THEORETICAL probability is when you figure out all of the possible outcomes.
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Probabilities are written as fractions
What is the probability of getting a 5 if you role a fair dice?
What is the probability of getting a 4 if you role a fair dice?
What is the probability of getting a 1 if you role a fair dice?
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ODDS IN FAVORWhat are the chances of something happening
What are the odds in favor of stopping on an even number?
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ODDS IN FAVORWhat are the chances of something happening
What are the odds in favor of stopping on a number less than 4?
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ODDS AGAINST
What are the chances of something NOT happening?
What are the odds against stopping on a number greater than 5?
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ODDS AGAINST
What are the odds against of stopping on a multiple of 3?
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Draw a Tree Diagram
How many outcomes are possible if someone rolls a die and then spins the spinner.
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Draw a Tree Diagram For lunch you have a choice of sandwich,
salad, or hot lunch. For sides you can get a vegetable, a fruit, or cookies. Drinks are milk or juice. Give the total number of outcomes for lunch. Use a tree diagram.
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Transportation Cost
Airplane $350
Bus $150
Train $225
Hotel Van $60
Taxi $40
BONUS: The cost of each type of transportation is given in the table below. Determine the cost for each outcome.
A travel agent plans trips for tourists from Chicago to Miami. He gives them three ways to get from town to town: airplane, bus, train. Once the tourists arrive, there are two ways to get to the hotel: hotel van or taxi. Draw a tree diagram to illustrate the possible choices for the tourists.
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Counting Principles
How many lunches can you choose from 3 different drinks and 4 different sandwiches?
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Counting Principle Practice
• When shopping you can pick from 5 pieces of meat, 3 starches, and 7 veggies for dinner. How many dinners can you make?
• When making an ice cream Sunday you can choose from 10 different flavors and 20 different toppings. How many different Sundays can you make?
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Counting Principle
How many outfits are possible from a pair of jean or khaki shorts and a choice of yellow, white, or blue shirt?
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Criss-Cross Multiply:Who can do a problem on the board and explain it to the class?
= = =
= = =
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The trick to word problems
The top has to match the top and the bottom has to match the bottom
= =
=
The first sentence usually makes the first fraction!
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Proportion Problem
If Mike is absent 1 out of every 15 days of school, how many days is he absent during a school year of 180 days?
X = 12
=
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Proportion Problem
If a baseball player averages 2 hits for every 7 times he bats how many hits will he have when he bats 28 times?
X = 8
=
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Probability continued …
Totsakan enlarged the size of a photo to a height of 18 in. What is the new width if it was originally 2 in tall and 1 in wide?
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Probability continued …
• A triangle is 20 in tall and 5 in wide. If it is reduced to a width of 1 in then how tall will it be?
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• Chart to Proportion Equation
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A ratio is a comparison of two numbers or measures using division.
A ratio can be written three ways:3:5 3/5 3 to 5
BACK
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Ratio Wording
• At the carnival the ratio of rides to games was 9:8. For every _____ games there are _____ rides.
• In a bag of candy for every 3 chocolate pieces there are 7 sugar pieces. What is the ratio of chocolate pieces to sugar pieces?
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Unit RateTo find the Unit Rate, you would find the cost or amount for 1. YOU NEED TO TURN IT INO A CRISS-CROSS MULTIPLY PROBLEM.
“How much for just 1?”BACK
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Unit Rate Problems
• An industrial machine is able to make 9 pens in 3 seconds. What is the rate made per second?
• It took a pet store 10 weeks to sell 80 cats. What is the rate sold per week?
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Comparing Using Unit Rate
A supermarket had bags of red grapes for $27.09 for 7. The also had bags of green grapes priced at $14.96 for 4. Which type of grape is most expensive?
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Writing Equations to Represent Unit Rate
Every cup is 8 ounces. Write an equation to express the total number of ounces (Z) in (y) cups.
Every quarter is 5 nickels. Write an equation to express the total number of nickels (Z) in (y) quarters.