Mathematics, 06.05.2021 06:40 fillbill
1.A health magazine reported that 27% of adult males smoke cigarettes. A competing magazine thinks this claim is false. To test this claim, they select 40 adult males at random and record if they smoke cigarettes. They calculate a 95% confidence interval for the proportion of adult males who smoke and find it is 0.22 to 0.28. (a)Interpret the confidence interval. (b)Calculate the point estimate and margin of error used to create this confidence interval. i.Point estimate:_ii. iii. The margin of error:_(c)Based on the confidence interval, is it plausible that the true proportion of adult males who smoke cigarettes is 27%? Explain.
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Mathematics, 20.06.2019 18:04
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Mathematics, 21.06.2019 15:00
Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?
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1.A health magazine reported that 27% of adult males smoke cigarettes. A competing magazine thinks t...
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