What is the most common method to renew vehicleregistration? In checking a random sample of 650 motor vehicle renewal registrations in one county, thefinance department found that 300 were mailed, 240were paid in person at the county finance departmentoffice, and the remainder was paid online at the county’s Web site. Phone registration renewals were notavailable.a. Estimate the population proportion to pay for vehicle registration renewals in person at the countyfinance department office. Use a 90% confidencelevel.b. Estimate the population proportion of online renewals. Use a 95% confidence level.

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