Practice Problems Based On Probability (4.2.7) - Probability

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10 questions

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6 sample questions

Question 1.
Define a simple event and provide an example.
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Think about one outcome happening.
Question 2.
What is a compound event? Give an example.
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Consider combinations of outcomes.
3Question 3.
What does a simple event consist of?
- Multiple outcomes
- One outcome
- No outcomes
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Think of outcomes that can happen once.
4Question 4.
True or False? Bayes’ Theorem is used to update probabilities.
- True
- False
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Consider how new information might affect something previously predicted.
Question 5.
In a class of 30 students, 18 play basketball, and 12 play football. If 5 students play both sports, what is the probability that a student chosen at random plays basketball or football?
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Visualize the overlap and use the addition theorem.
Question 6.
A box contains 3 red, 2 green, and 5 blue balls. If you draw one ball at random, what is the probability that it is green, given that it is not blue?
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Calculate probabilities for the restricted sample space.

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