Ch. 5 – Probability
Name ____________________________
Math 1342 – LAB #2
Part I:
M&M’s
Record the number of each color in the bag of M&M’s (given in class)
.
Red =
Green =
Yellow =
Orange =
Blue =
Brown =
Total number of M&M’s in the bag =
Using your
bag of M&M’s, calculate the following probabilities.
Show all work on this handout.
LEAVE ALL ANSWERS AS REDUCED FRACTIONS
.
1.
Suppose you reach into the bag and randomly select one
M&M.
Find the following probabilities:
a)
P (Blue)
=
b)
P (Yellow)
=
c)
P (Red or Green)
=
d)
P (Not Brown)
=
2.
Suppose you reach into the bag and randomly select two
M&M’s without
replacement.
Use the multiplication rule to find the following probabilities:
a)
P(first is Yellow
and
second is Brown)
=
b)
P(first is Red
and
second is Red)
=
3.
Suppose you reach into the bag and randomly select two
M&M’s with
replacement.
Use the multiplication rule to find the following probabilities:
a)
P(first is Green
and
second is Blue)
=
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b)
P(first is Yellow
and
second is Yellow)
=
Part II:
Calculating Probabilities From a Contingency Table
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 Spring '12
 LisaJuliano
 Probability, Primary color

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