A survey asks a random sample of 1500 adults in Ohio if theysupport an increase in the state sales tax from 5% to 6%, with theadditional revenue going to education. Let P denote the proportionin the sample who say they support the increase. Suppose that 25%of all adults in Ohio support the increase. The standard deviationof the sampling distribution is_____ . Round your answer to fourdecimal places.
Suppose that 83% of all dialysis patients will survive for atleast 5 years. In a simple random sample of 100 new dialysispatients, what is the probability that the proportion surviving forat least five years will exceed 80%, rounded to 5 decimal places?_____
