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- Advanced algebra ii: activities
- Probability
- Introduction to probability
This module provides an introduction which develops concepts related probability.
Suppose you roll a
4-sided die , which gives equal probabilities of rolling 1, 2, 3, or 4. (*Yes, these really do exist.)
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A
What is the probability that you will roll a 3?
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B
Explain, in your own words, what your answer to part (a) means. Do not use the words “probability” or “chance.” A typical 9-year-old should be able to understand your explanation.
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C
What is the probability that you will roll an even number?
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D
What is the probability that you will roll a number less than 3?
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E
What is the probability that you will roll a number less than 4?
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F
What is the probability that you will roll a number less than 7?
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Suppose you roll
two 4-sided dice .
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A
Draw a tree diagram showing all the possible outcomes for both rolls.
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B
What is the probability that you will roll “3 on the first die, 2 on the second?”
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C
What is the probability that you will roll “3 on one die, 2 on the other?”
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D
What is the probability that the sum of both dice will be a 5?
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Source:
OpenStax, Advanced algebra ii: activities and homework. OpenStax CNX. Sep 15, 2009 Download for free at http://cnx.org/content/col10686/1.5
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