week 1 MAT 540

HW1_answer_sheet.xlsx

Chapter_1

Homework #1
	Fix Cost	Variable Cost	sales volume	sale Price	Revenue	Total Cost	Profit	Revenue
Q1 - A	65000	7.5	15000	25				Total Cost
								Profit
	Fix Cost	Variable Cost	sales price	Break-even quantities
Q1 - B	65000	7.5	25			Break-even: Revenue = Total Cost
	Fix Cost	Variable Cost	sales price	Break-even quantities
Q2	25000	0.2	0.45
	Fix Cost	Variable Cost	sales price	Break-even quantities	Effects
Q3	25000	0.2	0.55		0
	Fix Cost & Advertising	Variable Cost	sales price	Break-even quantities	Effects
Q4	25833.33333	0.2	0.45		0	Q13
	Monthly fix Cost & adv.
	Fix Cost (vender's fee & equipment)	Variable Cost	sales price	Break-even quantities
Q5 - A	6500	0.4		9000
Q5 - B
	Fix Cost	Variable Cost	sales price	Break-even quantities
Q6 - A	400000	10000	20000
	Fix Cost	Variable Cost	sales volume	sale Price	Profit
Q6 - B	400000	10000	80	20000
	Fix Cost	Variable Cost	sales volume	sale Price	Profit		Note
Q6 - C	400000	10000	50	25000
	Please give your answers in YELLOW boxes

Q7	Grade	Scale	Probability	Expected Value	Variance
	A	4	0.1
	B	3	0.2
	C	2	0.4
	D	1	0.2
	F	0	0.1
			1		Expected Grade
					Course Variance
Q8		Economic Conditions
	Investment	Good	Poor
	Probability	0.45	0.55	A:
	A	$380,000	($100,000)	B:
	B	130,000	85,000		Choose investment A or B?
Q9	Distribution	Mean	Standard deviation	Lower weight limit	Upper weight Limit	Probability		Upper limit
	Normal	45	5	38	50			Lower Limit
								Probability	(in between upper and lower limits)
								Note: probability from the upper limit to -infinity is 0.7734
Q10	Distribution	Mean	Standard deviation	Occupied	Probability NOT occupied
	Normal	15	5	18			Occupuied
							Not occupied
Q11	Distribution	Mean	Standard deviation	Probability	Number of recorders ordered
	Normal	175	55	0.85