Solution Found!
All the workers at a certain company drive to work and
Chapter 3, Problem 27P(choose chapter or problem)
Problem 27P
All the workers at a certain company drive to work and park in the company’s lot. The company is interested in estimating the average number of workers in a car. Which of the following methods will enable the company to estimate this quantity? Explain your answer.
1. Randomly choose n workers, find out how many were in the cars in which they were driven, and take the average of the n values.
2. Randomly choose n cars in the lot, find out how many were driven in those cars, and take the average of the n values.
Questions & Answers
QUESTION:
Problem 27P
All the workers at a certain company drive to work and park in the company’s lot. The company is interested in estimating the average number of workers in a car. Which of the following methods will enable the company to estimate this quantity? Explain your answer.
1. Randomly choose n workers, find out how many were in the cars in which they were driven, and take the average of the n values.
2. Randomly choose n cars in the lot, find out how many were driven in those cars, and take the average of the n values.
ANSWER:
Step 1 of 2
The workers in the company were coming by cars. The company is interested in finding the average number of workers in a car.
(a) Randomly chosen n workers, find out how many were in the cars in which they were driven, and take the average of the n values.
(b) Randomly choose n cars in the lot, find out how many were driven in those cars, and take the average of the n values.
We have two methods, in that we have to choose the method will enable the company to estimate the quantity.