The treedropp’d fruit company wants to sell its apples overseas in attractive pink and yellow gift boxes. to design the boxes, the company needs to estimate the average diameter of their apples. a random sample of 50 apples has a mean of 4.1 inches. you assume a population standard deviatino of .4 inches. a. what is the point estimate in this scenario? is it an unbiased estimator? b. what is the critical z-value for a 95% interval? c. what is the margin of error for a 95% interval in this scenario? show your work.