HW Flashcard: Randomness and General Addition Rule in Probability
Flashcard
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
Probability is ...
Back
the chance that some event will occur.
2.
FLASHCARD QUESTION
Front
If you spin a spinner 1000 times, how many times would you expect it to land in sector 4?
Back
250
3.
FLASHCARD QUESTION
Front
Probability can be written as ...
Back
a fraction, a decimal, a percent, all of the above.
4.
FLASHCARD QUESTION
Front
What is the probability of choosing a student fluent in French or Spanish from 125 students, where 30 are fluent in French, 45 in Spanish, and 18 in both?
Back
57/125
5.
FLASHCARD QUESTION
Front
What is the probability of drawing a red card from a standard deck of cards on the second draw?
Back
26/52, or 1/2.
6.
FLASHCARD QUESTION
Front
Define the General Addition Rule in Probability.
Back
P(A or B) = P(A) + P(B) - P(A and B)
7.
FLASHCARD QUESTION
Front
What is the probability of an event that is certain to happen?
Back
1 (or 100%)
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