Mathematics, 25.12.2019 05:31 loanyst99111
The food marketing institute shows that 17% of households spend more than $100 per week on groceries. assume the population proportion is p = .17 and a simple random sample of 800 households will be selected from the population.
a. calculate σ(p), the standard error of the proportion of households spending more than $100 per week on groceries (to 4 decimals).
b. what is the probability that the sample proportion will be within +/- .02 of the population proportion (to 4 decimals)?
c. what is the probability that the sample proportion will be within +/- .02 of the population proportion for a sample of 1600 households (to 4 decimals)?
show all steps and formulas
Answers: 3
Mathematics, 21.06.2019 19:20
Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5
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Mathematics, 21.06.2019 20:00
Last one and the bottom answer choice is y=(x-4)^2+1 you guys!
Answers: 1
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