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MATLAB: An Introduction with Applications

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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A study is to be made to estimate the proportion of residents of a certain city and its suburbs who favor the construction of a nuclear power plant near the city. How large a sample is needed if one wishes to be at least 90% confident that the estimate is within 0.06 of the true proportion of residents who favor the construction of the nuclear power plant?

Click here to view page 1 of the standard normal distribution table.
Click here to view page 2 of the standard normal distribution table.

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The sample should be [ ] people.

(Round up to the nearest whole number.)

A manufacturer of MP3 players conducts a set of comprehensive tests on the electrical functions of its product. All MP3 players must pass all tests prior to being sold. Of a random sample of 700 MP3 players, 28 failed one or more tests. Find a 90% confidence interval for the proportion of MP3 players from the population that pass all tests.

- Click here to view page 1 of the standard normal distribution table.
- Click here to view page 2 of the standard normal distribution table.

The 90% confidence interval is [ ] < p < [ ].
(Round to three decimal places as needed.)

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A study is to be made to estimate the proportion of residents of a certain city and its suburbs who favor the construction of a nuclear power plant near the city. How large a sample is needed if one wishes to be at least 95% confident that the estimate is within 0.08 of the true proportion of residents who favor the construction of the nuclear power plant?
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please do the full problem as it is part of just one!!! please and thx.
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A study is to be made to estimate the proportion of residents of a certain city and its suburbs who favor the construction of a nuclear power plant near the city. How large a sample is needed if one wishes to be at least 90% confident that the estimate is within 0.03 of the true proportion of residents who favor the construction of the nuclear power plant?
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