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Afina-wow [57]
2 years ago
5

The Wall Street Journal reported that automobile crashes cost the United States $162 billion annually (The Wall Street Journal,

March 5, 2008). The average cost per person for crashes in the Tampa, Florida, area was reported to be $1599. Suppose this average cost was based on a sample of 50 persons who had been involved in car crashes and that the population standard deviation is σ = $600. What is the margin of error for a 95% confidence interval? Round your answer to two decimal places.
Business
1 answer:
Zepler [3.9K]2 years ago
8 0

Answer:

Error = 166.308459

Explanation:

Given that,

Standard deviation (SD) = $600

Sample (n) = 50 persons

Error(E) = ?

For a 95% confidence interval,

Z-value from the z-table is 1.959963985

E=\frac{z\times SD}{\sqrt{n}}

E=\frac{1.959963985\times 600}{\sqrt{50}}

E=\frac{1,175.97839}{7.07106781}

         = 166.308459

Therefore, the margin of error for a 95% confidence interval is 166.308459.

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maria [59]

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Rate of Change of a stock is (New price - old price/ old price) *100

5.95-6.25 / 6.25 * 100

-.3/6.25 *100

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8 0
3 years ago
Read 2 more answers
epper Department store allocates its service department expenses to its various operating (sales) departments. The following dat
ad-work [718]

Answer:

Pepper Department Store

The total advertising expense allocated to Department B is:

= $24,000.

Explanation:

a) Data and Calculations:

Expense            Basis for allocation               Amount

Rent                   Square feet of floor space $ 49,000

Advertising        Amount of dollar sales      $ 80,000

Administrative   Number of employees     $ 120,000

Department   Square Feet   Dollar Sales   Number of employees

A                         5,500            $ 355,000              31

B                         5,900            $ 375,000              33

C                         6,100            $ 520,000              35

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Advertising Expense Allocation:

Department A = $22,720 (355,000/$1,250,000 * $80,000)

Department B = $24,000 ($375,000/$1,250,000 * $80,000)

Department C = $33,280 ($520,000/$1,250,000 * $80,000)

6 0
2 years ago
Which of the following statements is true?
SIZIF [17.4K]
Ummmmm I will go with answer A cause at my house its always like that.
6 0
3 years ago
J. S. Bach's organ chorale prelude "Jesu, Joy of Man's Desiring" is an example of ______ texture.
drek231 [11]
The answer is "polyphonic" 

Hope this helps:)
3 0
2 years ago
Read 2 more answers
Costello Corporation reported pretax book income of $500,900. During the current year, the reserve for bad debts increased by $6
raketka [301]

Answer:

Deferred income tax expense = $7,161

Explanation:

Given:

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Computation:

Assume tax rate = 21%

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6 0
2 years ago
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