This preview shows pages 1–2. Sign up to view the full content.
Math 221
Week 4 Lab
Submitted by:
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)?
a.
=
Phigh calorie number of high calorie cerealstotal
=
= .
number of cerials 5384 0 6310
2.
What is the probability that the cereal would be high fiber? In other words,
what is P(high fiber)?
a.
=
Phigh fiber number of high fiber cerealstotal number
=
=
= .
of cerials 2284 1142 0 2619
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)?
a.
=
Phigh calorie and high fiber number of high calorie
and high fiber cerealstotal number of
=
=
= .
cerials 1884 314 0 2143
b.
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)?
a.
=
+

Phigh calorie or high fiber Phigh calorie Phigh fiber
=
+

Phigh calorie and high fiber 5384 2284
=
=
= .
1884 5784 1928 0 6786
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview. Sign up
to
access the rest of the document.
This note was uploaded on 06/05/2011 for the course MATH 221 taught by Professor Bethdodson during the Spring '10 term at DeVry Chicago.
 Spring '10
 BethDodson
 Statistics, Probability

Click to edit the document details