1.Jenna and James were recently married, and are planning on having three children. They are wondering how many girls and how many boys they will have in their family. Assume they are equally likely to have a girl as a boy.

Three of the possible outcomes are shown in the list below. There are 8 possible outcomes. List these and the other 5 outcomes on your paper to help you find the following probabilities. Answer as a simplified fraction.

GGG

GGB

GBG

Find the probability that their family will have:

three girls. ____ /____

exactly two girls. ____/____

at least two girls. ____/_____

What is the probability that they will not have exactly two girls in the family? _____ / _____

2.

A store has 48 different phones available with or without caller ID, and with or without a speakerphone. The numbers of phones with and without these features are shown in the two-way frequency table below. Speakerphone No Speakerphone Total Caller ID 18 2 20 No Caller ID 16 12 28 Total 34 14 48