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

Compound Probability
Compound probability can be defined as the probability of the two events which are independent. It can be defined as the multiplication of the probability of two events that are not dependent.
Tree diagram
Probability theory is a branch of mathematics that deals with the subject of probability. Although there are many different concepts of probability, probability theory expresses the definition mathematically through a series of axioms. Usually, these axi…
Conditional Probability
By definition, the term probability is expressed as a part of mathematics where the chance of an event that may either occur or not is evaluated and expressed in numerical terms. The range of the value within which probability can be expressed is between…
Question

Reporting a cheat  What proportion of students are willing to report cheating by other students? A student project put this question to an SRS of 172 undergraduates at a large university: " You witness two students cheating on a quiz. Do you go to the professor?" Only 19 answered "Yes."

Show that the conditions for calculating a confidence interval for a proportion are satisfied.

Calculate a 99% confidence interval for the proportion of all undergraduate students at this university who would answer "Yes."

Interpret the interval from Question #2

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