A survey of 116 law firms in a country found that the average hourly billing rate for partners was $578.
1 answer:
Complete Question
The complete question is shown on the first uploaded image
Answer:
a
The correct option is d
b
The correct option is b
Step-by-step explanation:
From the question we are told that
The sample size is
The mean is
Generally the population is all law firms in the country because it is the entire pool from which a statistical sample is drawn
The sample are the law firm that where surveyed because it is the statistical sample is drawn from the population
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Answer:
Step-by-step explanation:
To find the area of a triangle, we can use the formula of:
This formula comes from the area of a rectangle, because a triangle is half a rectangle.
The formula of combination is
We have
and 
Hence, there are 1001 ways of arranging 10 records from 14 records
We have
Hence, there are 1001 ways of arranging 10 records from 14 records