d. How many are between ages 24 and 32 years? e. Find the age such that 75% is below it.
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
![In a job fair, 3000 applicants applied for a job. Their mean age was found to be 28 years and the standard
deviation was 4 years.
a. Draw a normal curve distribution showing the z-scores and the raw scores.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9825d053-4206-44af-93f6-9b817a449df5%2F185cdb92-f8f4-4af4-8680-78121da1f8f3%2Faqfi1es_processed.jpeg&w=3840&q=75)
![b. How many applicants are below 20 years old?
c. How many applicants are above 32 years old?
d. How many are between ages 24 and 32 years?
e. Find the age such that 75% is below it.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9825d053-4206-44af-93f6-9b817a449df5%2F185cdb92-f8f4-4af4-8680-78121da1f8f3%2Fk0iqikb_processed.jpeg&w=3840&q=75)
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