Mathematics

Mathematics, 13.07.2019 02:20, jordystafford8186

Find the sample size n , needed to find the estimate the percentage of adults who have consulted fortune tellers . uses 0.04 margin error use a confidence level of 98% and usng results from a prior poll suggesting that 20% adults have consulted fortune tellers. n=

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Mathematics, 07.08.2019 00:30, michaelchavez6959127

Find the sample needed to estimate the percentage of adults who have consulted fortune tellers. use a 0.03 margin error, use the confidence level of 98%, and use results from a prior pew research center poll suggesting that 15% of adults have consulted fortune tellers.

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Mathematics, 10.10.2019 20:00, victoriapellam04

Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune tellers. use a 0.02margin of error, use a confidence level of 90%,and use results from a prior poll suggesting that 10%of adults have consulted fortune tellers.nequalsnothing(round up to the nearest integer.)

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Mathematics, 26.10.2019 03:43, danielahchf

Stat: sample of 780 adults in the u.s.a., it was found that 80 of those had a pinworm infestation. you want to find the 99% confidence interval for the proportion of all u.s. adults with pinworm, in a prior sample of u.s. adults, the center for disease control (cdc), found that 10% of the people in this sample had pinworm but the margin of error for the population estimate was too large. they want an estimate that is in error by no more than 2.5 percentage points at the 95% confidence level.what is the minimum sample size required to obtain this type of accuracy?

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