I posted this question previously and the answers were incorrect. I also got the
ID: 2447130 • Letter: I
Question
I posted this question previously and the answers were incorrect. I also got the first answer as $1.75 and that is incorrect. Can anyone help me get the right answer? Thank you.
Mountain Air Limited manufactures a line of room air purifiers. Management is currently evaluating the possible production of an air purifier for automobiles. Based on an annual volume of 10,000 units, the predicted cost per unit of an auto air purifier follows.
Direct materials $8.00 Direct labor 1.50 Factory overhead 9.00 Total $18.50Explanation / Answer
ANSWER:
In order to use the pooled standard deviation for this confidence interval, we must assume that the two populations standard deviations are equal ().