Transcript Probability and Statistics - Loudoun County Public Schools

“Probability & Statistics”
Math-7 SOL Review Packet
2015
Topics:
Probability of Simple Events
Experimental v. Theoretical Probability
Tree Diagrams
Fundamental Counting Principle
Probability of Compound Events
Analyzing Histograms/ Graphs
SOL’s Covered:
COMPLETE THE “STARRED” ITEMS
FOR HOMEWORK!
#1
May the odds be ever in your favor!
“Probability & Statistics” Quick Guide
Probability
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Probability
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Probability
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Probability
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Probability
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Fundamental Counting Principle
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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?
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Compound Probability
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2)
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
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4)
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.
D.
6/
10
1/
18
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Compound Probability
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6)
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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B.
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D.
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Compound Probability
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A fair coin has faces labeled heads and tails. A fair cube has
faces 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 the
coin will land with tails face-up and the cube will land on the
letter A?
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Histograms/Graphs
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Histograms/Graphs
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Histograms/Graphs
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Histograms/Graphs
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Histograms/Graphs
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