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
A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected from 433 customers. Age < 20 Number of Customers 78 20-29 97 30-39 62 40-49 55 50-59 52 2 60 89 One customer is chosen at random for a prize giveaway. Find the following probabilities, and round answers to 4 decimal places if possible. a. What is the probability that the customer is at least 30 but no older than 49? b. What is the probability that the customer is at least 50? > Next Question
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Transcribed Image Text:A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected from 433 customers. Age < 20 Number of Customers 78 20-29 97 30-39 62 40-49 55 50-59 52 2 60 89 One customer is chosen at random for a prize giveaway. Find the following probabilities, and round answers to 4 decimal places if possible. a. What is the probability that the customer is at least 30 but no older than 49? b. What is the probability that the customer is at least 50? > Next Question
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