The county clerk wants to estimate the proportion of voters who will need special election facilities. Suppose a sample of 400 voters was taken. If 150 need special election facilities, calculate a 90 confidence interval for the population proportion.
What will be an ideal response?
Question 2
The interval between patients arriving at an outpatient clinic follows an exponential distribution at a rate of 1 patient per hour. What is the probability of that randomly chosen arrival interval will be more than 1 hour?
What will be an ideal response?
The mark-recapture technique is often used to estimate population size.
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Special Purpose Checks
Special Education: Contemporary Perspectives for School Professionals, 5th Edition