he annual salary for a certain job has a normal distribution with a mean of $54, 000 and a standa $5000. Which sample size Would alloA Us to uco the
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.
2a,2b
![Example 2 - Part 1
The annual salary for a certain job has a normal distribution with a mean of $54, 000 and a standard deviation
of o = $5000.
1. Which sample size would allow us to use the normal approximation? n =
25 and 50
• (Click to view
hint)
2. What is the probability that the mean salary of random sample of 100 workers is no more than $54, 215?
a. Hx =
(Do not include the dollar sign)
b. o =
(Click to view hint)
c. Which picture (below) shows the requested area?
Curve 2
Curve
Image
MacBook Air](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a3ecb7e-2244-4bf3-957d-addb357af676%2Ffb9d7c1e-2c71-4a48-bf27-d489126aad60%2Fjeg6pb4_processed.jpeg&w=3840&q=75)
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