Answered: Of 560samples of seafood purchased from…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Of 560samples of seafood purchased from various kinds of food stores in different regions of a country and genetically compared to standard gene fragments that can identify the species, 47%
were mislabeled.

a) What is the 99% confidence interval? The 99% confidence interval is from ___% to ___%.

(Round to one decimal place as needed.)

b) What does the confidence interval say about seafood sold in the country?

A. There is a 99% chance that the true proportion of mislabeled seafood is in the interval.

B. We are 99% confident that the interval captures the true proportion of all seafood sold in the country that is mislabeled.

C. In 99% of samples of seafood sold in the country, the proportion that is mislabeled will be in the interval.

c) Is the government spokesperson's criticism valid?

A. No, as long as the necessary assumptions and conditions were met, the results can be generalized.

B. Yes, the sample size must be at least 10% of the population, or the results cannot be generalized.

C. Yes, until another study produces a similar interval, the results

cannot be generalized.

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