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joja [24]
3 years ago
13

A quality analyst wants to construct a control chart for determining whether four machines, all producing the same product, are

under control with regard to a particular quality attribute. Accordingly, she inspected 1,000 units of output from each machine in random samples, with the following results: Show your work.
Machine Total Defectives
1 23
2 15
3 29
4 13
What is the sample proportion of defectives for machine # 1?
A) .023
B) .02
C) .0115
D) .0058
E) .005
Business
1 answer:
abruzzese [7]3 years ago
6 0

Answer:

A) 0.023

Explanation:

Sample size = 1,000

Number of defectives collected from Machine #1 = 23

So, the sample proportion of defectives for machine #1 = Number of defective output / Sample size  = 23/1000 = 0.023

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The demand function for widgets is given by D(P) 16 2P. Compute the change in consumer surplus when the price of a widget increa
eduard

Question: The demand function for widgets is given by D(P) = 16 − 2P. Compute the change inconsumer surplus when price of a widget increases for $1 to $3. Illustrate your result graphically

Answer:

For price of a widget equal to $1 consumer surplus is

D(1) = 16 - 2(1) = 14

CS₁ = ½ × (8 – 1) × D(1) = ½ × 7 × 14 = 49.

When price is equal to $3 consumer surplus is

D(3) = 16 - 2(3) = 10

CS₃ = ½ × (8 – 3) × D(3) = ½ × 5 × 10 = 25

8 0
3 years ago
One of two office clerks in a small company prepares a sales invoice for $4,300; however, the invoice is incorrectly entered by
KIM [24]

Answer: <u><em>C. Using predetermined totals to control posting routines.</em></u>

Explanation:  A regulation total if developed for the agreement to be posted, then it should be set side by side with total of items posted to personal accounts. Therefore, The most adequate way to avert this kind of error is by applying predetermined totals to control stating the daily cycle.

<u><em>Therefore, the correct option in this case is (c)</em></u>

4 0
3 years ago
The per-unit standards for direct materials are 2 pounds at $5 per pound. Last month, 9200 pounds of direct materials that actua
Andrews [41]

Answer:

the direct material quantity variance is $5,000 favorable

Explanation:

The computation of the direct material quantity variance is shown below:

Direct material quantity variance is

= (Actual quantity - standard quantity) × standard price

= (9,200 pounds - 5,100 units × 2 pounds) × $5 per pound

= (9,200 pounds - 10,200 pounds) × $5 per pound

= $5,000 favorable

hence, the direct material quantity variance is $5,000 favorable

6 0
2 years ago
In a given year, Jennifer earns $50,000 and spends $40,000. During the same period, Stcve earns $30,000 and spends $27,000. If J
elena55 [62]

Answer:

The sales tax is regressive with respect to income

Explanation:

sales tax by Jennifer = 0.1*30000

                                   = 3000

tax/income = 3000/50000

                   = 6%

sales tax by steve = 0.1*27000

                                   = 2700

tax/income = 2700/30000

                   = 9%

The tax increases with decrease in income, it indeed is regressive on the whole.

Therefore, The sales tax is regressive with respect to income

6 0
3 years ago
Mariposa Inc is considering improving its production process by acquiring a new machine. There are two machines management is an
kondor19780726 [428]

Answer:

Machine B should be purchased because it has a lower equivalent annual cost

Explanation:

To determine the better of the two options, we would compare the equivalent annual cost of each options using a discount rate of 14% per annum

Equivalent annual cost = Total PV of cost /Annuity factor

Total PV of cost = Initial cost + PV of annual operating cost

PV of annual operating cost= Annual operating cost × Annuity factor

Annuity factor = (1- (1+r)^(-n))/r

r- rate , n- years

Machine A

PV of annual operating cost = 8,000 × (1- 1.14^(-3)/0.14= 18573.05622

PV of total cost = 290,000 +18573.05622 =  308,573.06  

Uniform Annual cost =  308,573.06 /2.321632027 =  132,912.13  

Equivalent annual cost = $132,912.13

Machine B

PV of annual operating cost = 12,000 × (1- 1.14^(-2)/0.14= 19759.92613

PV of total cost = 180,000   + 19759.92613 =  199,759.93  

Equivalent annual cost =  199,759.93 /1.6466=$121,312.15  

Equivalent annual cost = $121,312.15

Machine B should be purchased because it has a lower equivalent annual cost

Total PV of cost

6 0
2 years ago
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