Question

A local postal carrier distributes firstclass letters, advertisements, and magazines. For a certain day, she distributed the following numbers of each type of item.
If an item of mail is selected at random, find these probabilities.
a. The item went to a home.
b. The item was an ad, or it went to a business.
c. The item was a first-class letter, or it went to a home.


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  • CreatedSeptember 04, 2015
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