2018 #1 “Probability & Statistics” Math-7 SOL Review Packet · Experimental v Theoretical...
Transcript of 2018 #1 “Probability & Statistics” Math-7 SOL Review Packet · Experimental v Theoretical...
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SOL’s Covered:
Topics:
Probability of Simple Events
Experimental v. Theoretical Probability
Tree Diagrams
Fundamental Counting Principle
Probability of Compound Events
Analyzing Histograms/ Graphs
“Probability & Statistics”
Math-7 SOL Review Packet
2018 #1
COMPLETE THE “STARRED” ITEMS
FOR HOMEWORK!
We aren’t afraid of this test!
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“Probability & Statistics” Quick Guide
May t
he o
dds b
e e
ver in y
our f
avor!
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Probability
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Experimental v Theoretical Probability
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Mike has attempted 84 free throws. Of those attempted, 63
have gone in the basket. Based on this rate, what is the
probability that Mike’s next free throw attempt will go in the
basket?
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Experimental v Theoretical Probability
Hint: Set up a proportion!
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New State Question!
Experimental v Theoretical Probability
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Fundamental Counting Principle
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The letters A, B, C, D, and E can be used to create a four letter code for a lock. Each letter can be repeated. What is the total number of four letter codes that can be made using these letters?
Fundamental Counting Principle
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Start with 3 blanks! How many options
for each digit?
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Compound Probability
There are 52 cards in a standard deck, and 4 of them are Aces. What is the
probability of picking two Aces in a row? Assume the first pick is not
replaced.
A. 12/52 C. 3/676
B. 1/221 D. 7/52
There are 3 red, 2 purple, 1 green, and 4 orange lollipops in a bag. Without
replacing the first pick, what is the probability of picking a red, then a
green?
A. 3/100 C. 1/30
B. 1/18 D. 6/109
Notice the 1st pick is NOT replaced!
Multiply each event! Need 2 fractions!
Notice the 1st pick is NOT replaced!
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Compound Probability
A deck of cards numbered 1 – 10 is shown.
The cards are thoroughly shuffled. A card is picked, replaced, and a second
card is picked. What is the probability of picking a 4 and an even number?
A. 1/10
B. 1/18
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A. B. C. D.
Notice the 1st pick IS replaced!
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Compound Probability
A fair coin has faces labeled heads and tails. A fair cube hasfaces labeled A, B, C, D, E, and F. Adam will flip this coin and roll the cube one time each. What is the probability that thecoin will land with tails face-up and the cube will land on theletter A?
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Histograms/Graphs
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Histograms/Graphs 4)
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Histograms/Graphs
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Histograms/Graphs
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