Microsoft Excel 2013: Data Analysis and Business Modeling

Chapter 69. The normal random variable

Questions answered in this chapter:

• What are the properties of the normal random variable?

• How can I use Excel to find probabilities for the normal random variable?

• Can I use Excel to find percentiles for normal random variables?

• Why is the normal random variable appropriate in many real-world situations?

Answers to this chapter’s questions

This section provides the answers to the questions that are listed at the beginning of the chapter.

What are the properties of the normal random variable?

In Chapter 66 you learned that continuous random variables can be used to model quantities such as the following:

• Price of Microsoft stock one year from now

• Market share for a new product

• Market size for a new product

• Cost of developing ...