Confidence interval for true population proportion

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Reference no: EM1319387

Q1) Lengths of alligators in certain population of alligators has a standard deviation of σ = 1.6. This population is not normally distributed. You choose a random sample of 64 alligators. Sample mean that you compute is: x‾ = 15.82. Determine a 95% confidence interval for the population mean, µ

Q2) You want to study proportion of individuals in Statville that are left-handed. You choose a random sample of 400 people and number of left=handed people in your sample is 48. Calculate sample proportion and then also calculate a 99% confidence interval for true population proportion, p.

Reference no: EM1319387

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