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
Mathematics, 21.06.2019 20:10
Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit
Answers: 3
Mathematics, 21.06.2019 22:30
Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?
Answers: 2
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognit...
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