Mathematics, 27.04.2021 15:10 maddylaugh
A sociologist wants to construct an 80 confidence interval for the proportion of children aged - living in New York who own a cell phone. Part: 0 / 30 of 3 Parts Complete Part 1 of 3 (a) A survey by the National Consumers League taken in estimated the nationwide proportion to be . Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of
Answers: 2
Mathematics, 21.06.2019 15:30
Astore manager records the total visitors and sales, in dollars, for 10 days. the data is shown in the scatter plot. what conclusion can the store manager draw based on the data? question 3 options: an increase in sales causes a decrease in visitors. an increase in sales is correlated with a decrease in visitors. an increase in visitors is correlated with an increase in sales.
Answers: 1
Mathematics, 21.06.2019 19:30
I'm confused on this could anyone me and show me what i need to do to solve it.
Answers: 1
Mathematics, 21.06.2019 23:30
Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?
Answers: 3
A sociologist wants to construct an 80 confidence interval for the proportion of children aged - liv...
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