Distribute -3 to the rest of the numbers by multiplying them together. That’s all you need to do you don’t have to solve
Answer:
b) We are 90% confident that the mean salary of all CEOs in the electronics industry falls in the interval $139,048 to $154,144.
Step-by-step explanation:
Confidence interval:
Confidence level of x%
We build from a sample.
Between a and b.
Intepretation: We are x% sure that the population mean is between a and b.
In this question:
90%
45 CEO's
Between ($139,048, $154,144).
So
We are 90% sure that the mean salary of all CEO's falls within this interval.
The correct answer is:
b) We are 90% confident that the mean salary of all CEOs in the electronics industry falls in the interval $139,048 to $154,144.
80 percent
Explanation:
Divide 60 by 75 and get the outcome of .80
Answer: E simple random
Step-by-step explanation:
A simple random sample in a statistics is a subset of individuals chosen from a larger set. Each individual is chosen randomly and entirely by chance, such that each individual has the same probability
Given:
The fractions are:
To find:
The each fraction as the sum of a whole number and a fraction less than 1.
Solution:
The given fraction is 
.
Therefore, the given fraction can be written as 
.
The given fraction is 
.
Therefore, the given fraction can be written as 
.
The given fraction is 
.
Therefore, the given fraction can be written as 
.
