Carbon monoxide (CO) emissions for a certain kind of car vary with mean 2.807 g/mi and standard deviation 0.6 g/mi. A company has 80 of these cars in its fleet. Let y represent the mean CO level for the company's fleet. a) What's the approximate model for the distribution of y? Explain. b) Estimate the probability that y is between 2.9 and 3.1 g/mi. c) There is only a 5% chance that the fleet's mean CO level is greater than what value? a) Select the correct choice below and, if necessary, fill in the answer boxes within your choice. O A. A Binomial model with trials and a probability of success of (Round to three decimal places as needed.) O B. A Poisson model with mean number of successes (Round to three decimal places as needed.) O C. A Normal model with mean and standard deviation
Carbon monoxide (CO) emissions for a certain kind of car vary with mean 2.807 g/mi and standard deviation 0.6 g/mi. A company has 80 of these cars in its fleet. Let y represent the mean CO level for the company's fleet. a) What's the approximate model for the distribution of y? Explain. b) Estimate the probability that y is between 2.9 and 3.1 g/mi. c) There is only a 5% chance that the fleet's mean CO level is greater than what value? a) Select the correct choice below and, if necessary, fill in the answer boxes within your choice. O A. A Binomial model with trials and a probability of success of (Round to three decimal places as needed.) O B. A Poisson model with mean number of successes (Round to three decimal places as needed.) O C. A Normal model with mean and standard deviation
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:Carbon monoxide (CO) emissions for a certain kind of car vary with mean 2.807 g/mi and standard deviation 0.6 g/mi. A company has 80 of these cars in its fleet. Let y represent the mean
CO level for the company's fleet.
a) What's the approximate model for the distribution of y? Explain.
b) Estimate the probability that y is between 2.9 and 3.1 g/mi.
c) There is only a 5% chance that the fleet's mean CO level is greater than what value?
a) Select the correct choice below and, if necessary, fill in the answer boxes within your choice.
O A. A Binomial model with
trials and a probability of success of
(Round to three decimal places as needed.)
O B. A Poisson model with
mean number of successes
(Round to three decimal places as needed.)
O C. A Normal model with mean
and standard deviation
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