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amid [387]
3 years ago
9

An eager statistics student wanted to help his boss. He studied the data on products sold at the store over a period of a week a

nd reported to the boss the average UPC number was 1001264789 with a standard deviation of 45378. From this information his boss should a. Make sure there are lots of 1001264789 items on hand.b. Know that approximately 68% of all items had UPC codes between 1001219411 and 1001310167.c. Do nothing with the information. The statistics reported are invalid
Business
1 answer:
Svetllana [295]3 years ago
8 0

Answer:

c. Do nothing with the information. The statistics reported are invalid

Explanation:

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risk is the risk of a decline in a bond's value due to an increase in interest rates. This risk is higher on bonds that have lon
Ilya [14]

Answer:

Price Risk, Reinvestment Risk, Investment Horizon and Longer maturity Bond.

Explanation:

  • Price risk is the risk of a decline in a bond's value due to an increase in interest rates. This risk is higher on bonds that have long maturities than on bonds that will mature in the near future.
  • Reinvestment risk is the risk that a decline in interest rates will lead to a decline in income from a bond portfolio. This risk is obviously high on callable bonds. It is also high on short-term bonds because the shorter the bond's maturity, the fewer the years before the relatively high old-coupon bonds will be replaced with new low-coupon issues.
  • Which type of risk is more relevant to an investor depends on the investor's investment horizon, which is the period of time an investor plans to hold a particular investment.
  • Longer maturity bonds have high price risk but low reinvestment risk, while higher coupon bonds have a higher level of reinvestment risk and a lower level of price risk.
8 0
3 years ago
Suppose the manager agrees to pay each employee a​ $50 bonus if they meet a certain goal. on a typical​ saturday, the​ oil-chang
Sergeeva-Olga [200]

Answer:

Incomplete question

First aspect of the question is typed below.

The shape of the distribution of the time required to get an oil change at a 20-minute oil-change facility

is unknown. However, records indicate that the mean time is 2l.2-minutes, and the standard deviation 3.5 minutes.

Explanation:

Employees bonus $50

35 oil changes between 10:00 am to 12:00pm

n = 35

10% changes

So, the z - score can be calculated using

z-score = InvNorm(0.10)

z-score = -1.28

So, given that,

Standard deviation is 3.5minutes

σ = 3.5 minutes

Mean time is 21.2 minutes

μx = 21.2 minutes

Then,

σx = σ / √n

σx = 3.5 / √35

σx = 0.5916 minutes

Then, Z score can be written as

Z = (x - μx) / σx

-1.28 =  (x - 21.2) / 0.5916

Cross multiply

-1.28 × 0.5916 = x - 21.2

-0.7573 = x - 21.2

x = 21.2 - 0.7573

x = 20.443 minutes

There is a 10% chance of being at or below a mean oil-change time of 20.44 minutes

5 0
3 years ago
The Acme Widget Company has found that if widgets are priced at s 389, then 1000 will be sold. They have also found that for eve
kvv77 [185]

Answer:

See the explanation below.

Explanation:

a. The number of widgets that will be sold

Let y represent the number of widgets that will be sold, and and we already have x as price of widget, we therefore have:

y - 1,000 = (-600/10) * (x - 389)

y - 1,000 = -60 * (x - 389)

y = 1,000 - [60 * (x - 389) ]

y = 1,000 - 60x + 23,340

y = 24,340 - 60x

b. The revenue generated by the sale of widgets

Let R represent Revenue, therefore we have:

R = xy

R = x(24,340 - 60x)

R = 24,340x - 60x²

c. The cost of producing just enough widgets to meet demand

Let C represent total cost, we therefore have:

C = 8,000 + 97.25y  

C = 8,000 + 97.25(24,340 - 60x)

C = 8,000 + 2,367,065  - 5,835x

C =  2,375,065  - 5,835x

d. The proft from selling widgets

Let P represent profit, we therefore have:

P = R - C

P = 24,340x - 60x²  - (2,375,065  - 5,835x)

P = 24,340x - 60x²  - 2,375,065  + 5,835x

P = - 60x²  + 30,175x - 2,375,065

e. Find the price that will maximize profits from the sale of widgets

Profit is optimum when dP/dx = 0

Therefore, we have

0 = - 120x + 30,175

120x = 30,175

x = 30,175/120 = $251.46

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