# Basic Statistics / Probability

1. Pizza House offers 4 different salads, 5 different kinds of pizza, and 4 different desserts. How many different three course meals can be ordered?

2. Assume the probability is ½ that a child born is a girl. If a family has three children, what is the probability that they have:

a. Exactly one girl

b. At most two boys

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#### Solution Preview

(1) A salad can be chosen in 4 ways, a pizza in 5 ways and a dessert in 4 ways. So, a three-course meal can be ...

#### Solution Summary

The probability of different courses being ordered is determined. Complete, neat and step-by-step solutions are provided.

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