Mathematics, 18.12.2019 06:31, Weser17
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. he wants to first determine the percentage of adults who have heard of the brand. how many adults must he survey in order to be 80% confident that his estimate is within six percentage points of the true populationpercentage?
complete parts (a) through (c) below.
1) assume that nothing is known about the percentage of adults who have heard of the brand.
a. n=(round up to the nearest integer.)
2) assume that a recent survey suggests that about 85% of adults have heard of the brand.
b. n= up to the nearest integer.)
3) given that the required sample size is relatively small, could he simply survey the adults at the nearest college?
Answers: 3
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Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?
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The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognit...
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