9-24 Live Classwork - 3.3 Addition Rule

Flashcard
•
Mathematics
•
11th - 12th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What does it mean for two events to be mutually exclusive?
Back
Two events are mutually exclusive if they cannot occur at the same time. For example, drawing a 7 and drawing a jack from a deck of cards are mutually exclusive events.
Tags
CCSS.HSS.CP.A.1
2.
FLASHCARD QUESTION
Front
What does it mean for two events to be not mutually exclusive?
Back
Two events are not mutually exclusive if they can occur at the same time. For example, drawing a club and drawing a king from a deck of cards are not mutually exclusive events.
Tags
CCSS.HSS.CP.A.2
CCSS.HSS.CP.A.4
3.
FLASHCARD QUESTION
Front
How do you calculate the probability of two mutually exclusive events A and B occurring?
Back
The probability of either event A or event B occurring is the sum of their individual probabilities: P(A or B) = P(A) + P(B).
Tags
CCSS.HSS.CP.B.7
4.
FLASHCARD QUESTION
Front
What is the probability of drawing an ace or a king from a standard deck of 52 playing cards?
Back
The probability is 0.154, calculated as P(Ace) + P(King) = 4/52 + 4/52 = 8/52 = 0.154.
Tags
CCSS.HSS.CP.B.7
5.
FLASHCARD QUESTION
Front
What is the formula for calculating the probability of the union of two events A and B?
Back
P(A or B) = P(A) + P(B) - P(A and B). This accounts for any overlap between the two events.
Tags
CCSS.HSS.CP.B.7
6.
FLASHCARD QUESTION
Front
If a student is chosen at random, what is the probability of selecting someone who is a regular or heavy smoker?
Back
The probability is 0.193, which is calculated based on the total number of regular and heavy smokers in the sample.
Tags
CCSS.HSS.CP.B.7
7.
FLASHCARD QUESTION
Front
What is the probability of selecting a man or a non-smoker from a group of students?
Back
The probability is 0.921, calculated based on the total number of men and non-smokers in the sample.
Tags
CCSS.HSS.CP.B.7
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