AAC Ch 5 Probability Review
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
Used 1+ times
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11 questions
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1.
FLASHCARD QUESTION
Front
What is the formula to calculate combinations when choosing r items from n items?
Back
C(n, r) = n! / (r!(n - r)!)
2.
FLASHCARD QUESTION
Front
How many ways can you choose 2 questions from 5 different questions?
Back
10
3.
FLASHCARD QUESTION
Front
What is the probability of an event?
Back
Probability = (Number of favorable outcomes) / (Total number of outcomes)
4.
FLASHCARD QUESTION
Front
If Roy has 6 mystery books, 5 science books, 4 history books, and 3 adventure books, what is the total number of books?
Back
Total = 6 + 5 + 4 + 3 = 18 books
5.
FLASHCARD QUESTION
Front
What is the probability of choosing an adventure book from Roy's shelf?
Back
P(adventure) = 3/18 = 1/6
6.
FLASHCARD QUESTION
Front
If Jamie has 3 raffle tickets out of 100, what is the probability her name is drawn for the second prize after not winning the first?
Back
P(second prize) = 3/99 = 1/33
7.
FLASHCARD QUESTION
Front
What is the probability of spinning a red on a spinner that has 3 red, 3 blue, and 3 green sections?
Back
P(red) = 3/9 = 1/3
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