Homework Answers
1)
P(Brownies as their favorite dessert) =69/331
mutually exclusive events are:
a) 18-22 years old and 23-28 years old : since a person can not be of both age
b) favorite desert of Cake and favorite desert of Brownies
2)
P(Cake |30-39 years old) =10/89
3)
P(23-28 years old or Choose Pie) =(81+62-21)/331 =122/331
4)
P(Cookies and 40+ )=12/331
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