Astudent conducted a survey of all 500 employees in a company. he calculated the population mean of the number of cars they owned to be x%. he calculated the proportion of employees who drove a car to work to be y%. a student conducted a survey of all 500 employees in a company. he calculated the population mean of the number of cars they owned to be x%. he calculated the proportion of employees who drove a car to work to be y%. another student conducted a survey of a sample of 10 employees in the same company. she found the sample mean of the number of cars they owned to be p%. she found the sample proportion of employees who drove a car to work to be q%. which parameter would be considered to be point estimates? a. x and p b. x and y c. y and p d. y and q e. p and q