Prob & Stats - Unit 4 - Probability

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+7
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the theoretical probability of an event?
Back
The theoretical probability of an event is the ratio of the number of favorable outcomes to the total number of possible outcomes.
Tags
CCSS.7.SP.C.7A
2.
FLASHCARD QUESTION
Front
How do you calculate the probability of pulling a red marble from a bag containing 3 red, 2 blue, and 4 yellow marbles?
Back
The probability is calculated as the number of red marbles (3) divided by the total number of marbles (3 + 2 + 4 = 9), which equals 3/9 or 1/3.
Tags
CCSS.7.SP.C.7B
3.
FLASHCARD QUESTION
Front
What is conditional probability?
Back
Conditional probability is the probability of an event occurring given that another event has already occurred.
Tags
CCSS.HSS.CP.A.3
CCSS.HSS.CP.A.5
4.
FLASHCARD QUESTION
Front
If the probability of a girl speaking French is 0.4, what does this imply?
Back
This implies that 40% of the girls in the sample speak French.
Tags
CCSS.7.SP.C.5
5.
FLASHCARD QUESTION
Front
What is the probability that a student plays a sport given they do not play an instrument?
Back
This is an example of conditional probability, which can be calculated using the formula P(A|B) = P(A and B) / P(B).
Tags
CCSS.HSS.CP.A.3
CCSS.HSS.CP.A.5
6.
FLASHCARD QUESTION
Front
What does a tree diagram represent in probability?
Back
A tree diagram visually represents all possible outcomes of a probability experiment.
Tags
CCSS.7.SP.C.8B
7.
FLASHCARD QUESTION
Front
What is the probability that a student does not play on a sports team if the probability of playing is 0.5?
Back
If the probability of playing is 0.5, then the probability of not playing is also 0.5.
Tags
CCSS.HSS.CP.B.7
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