A store manager gathers some demographic information from the store's customers. The following cha summarizes the age-related information they collected: Age << 20 20-29 30-39 40-49 50-59 60 Number of Customers 60 95 87 67 78 71 One customer is chosen at random for a prize giveaway. (Round answers to 4 decimal places.) a. What is the probability that the customer is at least 20 but no older than 59? b. What is the probability that the customer is either older than 49 or younger than 20? c. What is the probability that the customer is at least 60?
A store manager gathers some demographic information from the store's customers. The following cha summarizes the age-related information they collected: Age << 20 20-29 30-39 40-49 50-59 60 Number of Customers 60 95 87 67 78 71 One customer is chosen at random for a prize giveaway. (Round answers to 4 decimal places.) a. What is the probability that the customer is at least 20 but no older than 59? b. What is the probability that the customer is either older than 49 or younger than 20? c. What is the probability that the customer is at least 60?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![### Customer Age Demographics
A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected:
#### Age Distribution Table
| Age Range | Number of Customers |
|------------|---------------------|
| < 20 | 60 |
| 20-29 | 95 |
| 30-39 | 87 |
| 40-49 | 67 |
| 50-59 | 78 |
| ≥ 60 | 71 |
One customer is chosen at random for a prize giveaway. (Round answers to 4 decimal places.)
#### Probability Questions
a. **What is the probability that the customer is at least 20 but no older than 59?**
\[
\text{Probability} = \_\_\_\_
\]
b. **What is the probability that the customer is either older than 49 or younger than 20?**
\[
\text{Probability} = \_\_\_\_
\]
c. **What is the probability that the customer is at least 60?**
\[
\text{Probability} = \_\_\_\_
\]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F11f84057-ddc6-4a16-833f-eeebb801b1ce%2F18870c47-72b5-4fdc-8549-ce3285c681ce%2Fcbnwv4_processed.png&w=3840&q=75)
Transcribed Image Text:### Customer Age Demographics
A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected:
#### Age Distribution Table
| Age Range | Number of Customers |
|------------|---------------------|
| < 20 | 60 |
| 20-29 | 95 |
| 30-39 | 87 |
| 40-49 | 67 |
| 50-59 | 78 |
| ≥ 60 | 71 |
One customer is chosen at random for a prize giveaway. (Round answers to 4 decimal places.)
#### Probability Questions
a. **What is the probability that the customer is at least 20 but no older than 59?**
\[
\text{Probability} = \_\_\_\_
\]
b. **What is the probability that the customer is either older than 49 or younger than 20?**
\[
\text{Probability} = \_\_\_\_
\]
c. **What is the probability that the customer is at least 60?**
\[
\text{Probability} = \_\_\_\_
\]
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