Z_E_week4lab - Math 221 Week 4 Lab Submitted by: Eric...

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Math 221 Week 4 Lab Submitted by: Eric Zakrzewski Part 1. Cross-Reference Tables and Probability 1. What is the probability that the cereal would be high calorie? In other words, what is P(high calorie)? P = 53/84 or about 63% 2. What is the probability that the cereal would be high fiber? In other words, what is P(high fiber)? P = 22/84 or about 26% 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)? P = 18/84 or about 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)? P = 63% - 26% or about 37% 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)? P = 18/53 or about 34% 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)? P = 12/53 or about 23%
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This note was uploaded on 07/15/2011 for the course MATH 221 taught by Professor Bethdodson during the Spring '10 term at DeVry Chicago.

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Z_E_week4lab - Math 221 Week 4 Lab Submitted by: Eric...

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