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Suppose you wish to determine the true proportion of the population that supports marijuana legalization. You...

Suppose you wish to determine the true proportion of the population that supports marijuana legalization. You poll a randomly selected sample of 400 individuals and find 61% of them support legalization.

(a) What is your point estimate for the proportion?

(b) Show that the success/failure conditions hold.

(c) Find the standard error for this estimate.

(d) Compute a 95% confidence interval for this estimate. (e) Compute a 99% confidence interval for this estimate.

Math   Statistics-And-Probability   
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