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aliina [53]
3 years ago
15

A random sample of 30 lunch orders at noodles and company showed a mean bill of $10.36 with a standard deviation of $5.31. find

the 95 percent confidence interval for the mean bill of all lunch orders.
Business
1 answer:
Paladinen [302]3 years ago
4 0

The formula for calculating the Confidence Interval is as follows:

Confidence Interval = x +- (z*s)/√N

Where:

x = mean = 10.36

z = taken from standard normal distribution table based on 95% confidence level = 1.96

s = standard deviation = 5.31

N = sample size = 30

Substituting know values on the equation:

Confidence Interval = 10.36 +- ( 1.96 * 5.31) / √30

Confidence Interval = 8.46 and 12.26

Hence the bill of lunch orders ranges from 8.46 to 12.26.

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Cranium, Inc., purchases term papers from an overseas supplier under a continuous review system. The average demand for a popula
kykrilka [37]

Answer:

B) greater than $30 but less than $40

  • the actual result is $39

Explanation:

the options are missing:

A) less than or equal to $30

B) greater than $30 but less than $40

C) greater than $40 but less than $50

D) greater than $50

we must first calculate safety stock = (Z-score x √lead time x standard deviation of demand) + (Z-score x standard deviation of lead time x average demand)

  • Z-score for 98% confidence level = 2.326
  • standard deviation of demand = 30
  • √lead time = √5 = 2.23607
  • we are not given any standard deviation of lead time, so we can assume that it is 0

safety stock = (2.326 x √2.23607 x 30) + (2.326 x 0 x 300) = 156.03 ≈ 156 units

the annual holding cost of 156 units = 156 x $0.25 = $39

4 0
3 years ago
The most recent data from the annual balance sheets of N&amp;B Equipment Company and Jing Foodstuffs Corporation are as follows:
lilavasa [31]

Answer: N&B Equipment Company:

Current ratio = 1.33

Quick ratio = 0.746

Jing Foodstuffs Corporation:

Current ratio = 1.65

Quick ratio = 0.928

Explanation:

For N&B Equipment Company:

Current\ Ratio=\frac{Current\ Assets}{Current\ liabilities}

Current\ Ratio=\frac{900}{675}

                             = 1.33

Quick ratio=\frac{Current\ Assets - Inventory}{Current\ Liabilities}

Quick ratio=\frac{900 - 396}{675}

                        = 0.746

For Jing Foodstuffs Corporation:

Current\ Ratio=\frac{Current\ Assets}{Current\ liabilities}

Current\ Ratio=\frac{1,400}{844}

                             = 1.65

Quick ratio=\frac{Current\ Assets - Inventory}{Current\ Liabilities}

Quick ratio=\frac{1,400 - 616}{844}

                        = 0.928

8 0
3 years ago
The Coase Theorem states that
choli [55]

Answer:B. if transaction costs are​ low, private bargaining will result in an efficient solution to the problem of externalities.

Explanation:

The coarse theorem:

If there is a conflict between parties this will lead to an effecient results irrespective of who won the right to the property as long as the transaction cost related to the price negotiation is insignificant.

7 0
3 years ago
Adjusting entries are Select one: a. usually required before financial statements are prepared b. not necessary if the accountin
Flauer [41]

Answer:

Correct option is (a)

Explanation:

Adjusting journal entries are passed before financial statements are prepared to so as to confirm if revenue recognition and matching principles are complied with. Adjusting entries are required to be passed if transactions is spread over multiple financial periods. For example, adjusting entry is passed if goods are received this year but payment will be made next year.

Before income statement and balance sheet is prepared, these entries are passed. Thereafter, adjusting trial balance is prepared and finally financial statements are prepared.

4 0
3 years ago
The J-curve effect that results from currency depreciation results is due to Group of answer choices exports and imports being t
11Alexandr11 [23.1K]

Answer:

the value of imports increasing by more than the value of exports at the time of devaluation.

Explanation:

J-curve effect means the starting depreciation effect based on the balance of trade that should be negative also when the imports and the exports adjusted on the long run with respect to the changes made in the prices so the net effect should be positive

So as per the given situation, the above should be the answer

7 0
3 years ago
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