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A soft drink company has a new recipe for one of its products, and it would like to know if a majority of consumers of its drinks prefer the new recipe over the old recipe. The company plans to ask a representative sample of the population to taste both drinks. The company will then measure the percent that prefer the new recipe.
a. What would be the approximate margin of error for this percent if the company asks 600 consumers?
b. How many consumers would need to be in the sample to provide a margin of error of about 5%?
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STAT9702 Statistical Methods for Engineering and Science Assignment. What were the investigators' aims and objectives? If they are not stated explicitly in the paper, what do you think they were? What is an appropriate target/reference population for..
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Based on the information in part (a), what decision should the director make about the books used for the courses if the goal is to keep the cost below $300.00?
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A financier whose specialty is investing in comedy shows has observed that, in general, shows with "big- name" stars seem to generate more revenue than those shows whose stars are less well known.
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The following data give the diffusion time (hours) of a silicon wafer used in manufacturing integrated circuits and the resulting sheet resistance of transfer:
Quarters with weights between 5.550 g and 5.790 g. If 280 different quarters are inserted into the vending machine, what is the expected number of rejected quarters?
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