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Math 221
Week 4 Lab
Submitted by:
James Rigney
Part 1.
CrossReference Tables and Probability
1.
What is the probability that the cereal would be high calorie? In other words, what is
P(high calorie)?
63%
2.
What is the probability that the cereal would be high fiber? In other words, what is
P(high fiber)?
27%
3.
What is the probability that a cereal would both high calorie and high fiber? In other
words, what is P(high calorie and high fiber)?
21%
4.
What is the probability that a cereal would either high calorie or high fiber? In other
words, what is P(high calorie or high fiber)? \
69%
5.
What is the probability that a cereal would be high calorie, given that it is high fiber?
In other words, what is P(high calorie, given high fiber)?
82%
6.
What is the probability that a cereal would be high calorie, given that is is low fiber?
In other words, what is P(high calorie, given low fiber)?
36%
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 Spring '10
 Barnhart
 Decision Making

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