FLASHCARD Mutually Exclusive Addition Rule
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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14 questions
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1.
FLASHCARD QUESTION
Front
What is the Mutually Exclusive Addition Rule in probability?
Back
The Mutually Exclusive Addition Rule states that if two events A and B cannot occur at the same time, the probability of either A or B occurring is P(A) + P(B).
Tags
CCSS.HSS.CP.B.7
2.
FLASHCARD QUESTION
Front
If P(A) = 0.3 and P(B) = 0.5, what is P(A or B) if A and B are mutually exclusive?
Back
P(A or B) = P(A) + P(B) = 0.3 + 0.5 = 0.8.
Tags
CCSS.HSS.CP.B.7
3.
FLASHCARD QUESTION
Front
What is the probability of drawing a heart or a spade from a standard deck of cards?
Back
P(Heart or Spade) = P(Heart) + P(Spade) = 1/4 + 1/4 = 1/2.
Tags
CCSS.HSS.CP.B.7
4.
FLASHCARD QUESTION
Front
What is the probability of rolling a 2 or a 5 on a fair six-sided die?
Back
P(2 or 5) = P(2) + P(5) = 1/6 + 1/6 = 1/3.
Tags
CCSS.HSS.CP.B.7
5.
FLASHCARD QUESTION
Front
If the probability of event A is 0.2 and event B is 0.3, what is the probability of A or B if they are not mutually exclusive?
Back
P(A or B) = P(A) + P(B) - P(A and B).
Tags
CCSS.HSS.CP.B.7
6.
FLASHCARD QUESTION
Front
What is the range of probability values?
Back
Probability values range from 0 to 1, where 0 indicates impossibility and 1 indicates certainty.
Tags
CCSS.7.SP.C.5
7.
FLASHCARD QUESTION
Front
If a student is selected at random from a class of 30 students, what is the probability that the student is either a boy or a girl if there are 15 boys and 15 girls?
Back
P(Boy or Girl) = P(Boy) + P(Girl) = 15/30 + 15/30 = 1.
Tags
CCSS.HSS.CP.B.7
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