Biostatistics

Chapter 11

Continuous Probability Distribution [Normal Distribution]

Objectives

After completing this chapter, you can understand the following:

• The definition, meaning and significance of continuous probability distribution.
• The concept normal distribution.
• Explanation related to the area under the normal curve.
• The applications of normal distribution related to the biological decision making situations.

11.1 INTRODUCTION

This chapter deals with the probability distributions for continuous random variables, which can take any value in a given interval. This can be expressed as smooth curves, where the probabilities are expressed as areas under the curve.

11.2 DEFINITION OF NORMAL DISTRIBUTION

It is a most important continuous distribution ...