I like Apples (A)
1 lice Bananas (B)
P
(A
or
B)
P (A & not B)
P (A&B)
P(B & not A)
P(Not A & not B)
For #6-8. Annotate and use either a thoroughly partitioned Venn Diagram or
the Addition Rule for Probabilities for two events: Blueberries or Watermelons:
40% of 50 customers at a grocery store surveyed said they loved blueberries,
and 20% said they loved watermelons. 10% said they loved both.
Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?