MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc

#### Concept explainers

Question

Computers are commonly used to randomly generate digits of telephone numbers to be called when conducting a survey. Can a nonstandard normal distribution be used to find the probability that when one digit is randomly​ generated, it is less than 3​? Why or why​ not? What is the probability of getting a digit less than 3​?

A nonstandard normal distribution

can
cannot

be used because randomly generated digits have a

nonstandard normal distribution
uniform distribution
standard normal distribution

meaning that

each number is equally likely
larger and smaller numbers are less likely
larger and smaller numbers are more likely

to be chosen. The probability of getting a digit less than

3

is

nothing.
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