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Nitella [24]
3 years ago
12

A quality analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past experience that

whenever this process is in control, package weight is normally distributed with a mean of 20 ounces and a standard deviation of two ounces. Each day last week, he randomly selected four packages and weighed each:
Day WEIGHT (ounces)


Monday 23 22 23 24


Tuesday 23 21 19 21


Wednesday 20 19 20 21


Thursday 18 19 20 19


Friday 18 20 22 20


If he uses upper and lower control limits of 22 and 18 ounces, on what day(s), if any, does this process appear to be out of control?
Business
1 answer:
ddd [48]3 years ago
7 0

Answer:

1.Monday and Tuesday

2.none of the machines

3.23

4. 91.08 %----

5. 10.922 , 65.21

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Charlie's brother, Alexander, also consumes apples (A) and bananas (B). Alexander's utility function happens to be U(A, B) = 5A
Andrei [34K]

Solution :

U(A, B) = 5A + 2B

a). Bundles (40, 5) = U ( _____ , 2), lie on the same indifference curve. Suppose missing numbers is x.

So, U(40, 5) = U(x, 2)

   (40 x 5) + (2 x 5) = 50x + (2 x 2)

     210 - 4  = 5x

       x = 41.2

So Alexander has 40 apples and 5 bananas. The indifference curve though (40, 5) also include bundle.

Therefore, (41.2, 2)

b). $MRS_{BA} = \frac{MU_B}{MU_A}$

                  $=\frac{\delta U/\delta B}{\delta U/\delta A}$

                  $=\frac{2}{5}$

                 = 0.4

So Alexander  has 40 apples and 5 bananas with this bundle. Alexander would like to give up 0.4 unit apples for a banana.

7 0
3 years ago
Assume you are running a paid campaign and your original budget was $50,000 for the month. It's a 31-day month and you have spen
mash [69]

Answer: $2750

Explanation:

The original budget was $50,000 for the month, $20,000 has been spent already after which there was a revision of the monthly budget to $75,000.

Since $20000 has been spent, the remaining budget will be:

= $75000 - $20000

= $55000

Also, the money was spent for 11 days, therefore the number of days remaining will be:

= 31 - 11

= 20 days.

Therefore, the new daily budget for the month will be:

= $55,000 / 20 days

= $2,750

8 0
3 years ago
The graph shows the supply and demand curves for a certain product, which
nadya68 [22]

Answer:

A. The current selling price for the product is too low.

Explanation:

The ideal market price should be $400.  This is the equilibrium point where demand matches supply. At the price of $400, buyers and suppliers will be happy to trade a quantity of 4000 units.

The prevailing price of $300 is too low. Suppliers should raise the price to the price $400 mark.

5 0
3 years ago
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4 0
3 years ago
The following information pertains to Peak Heights Company:
Delvig [45]

Answer:

Peak Heights Company

PEAK HEIGHTS COMPANY

Statement of Cash Flows

Operating Activities Section

Net income                                             $15,625

Non-cash flow: Depreciation                    6,700

Changes in working capital:

Accounts receivable                              -$4,400

Inventory                                                   4,000

Salaries payable                                          750

Net cash from operating activities     $22,675

Explanation:

A) Data and Calculations:

Peak Heights Company:

Income Statement for Current Year

Sales                                                        $85,900

Expenses Cost of goods sold $51,675

Depreciation expense                6,700

Salaries expense                       11,900    70,275

Net income                                             $15,625

Partial Balance Sheet   Current year   Prior year    Changes

Accounts receivable         $9,800         $14,200     -$4,400

Inventory                             13,100             9,100         4,000

Salaries payable                  1,620                870            750

5 0
3 years ago
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