Mathematics, 03.12.2019 05:31, rouchedavisin4
Aresearcher wishes to estimate, with 95% confidence, the population proportion of adults who think the president of their country can control the price of gasoline. her estimate must be accurate within 5% of the true proportion.
(a) no preliminary estimate is available. find the minimum sample size needed.
(b) find the minimum sample size needed, using a prior study that found that 40% of the respondents said they think their president can control the price of gasoline.
(c) compare the results from parts (a) and (b).
Answers: 3
Mathematics, 21.06.2019 15:20, 1xXJOKERXx3
Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y
Answers: 3
Mathematics, 21.06.2019 16:30, angie07253
Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?
Answers: 1
Aresearcher wishes to estimate, with 95% confidence, the population proportion of adults who think t...
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