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scoray [572]
3 years ago
10

) Suppose I ask you to pick any four cards at random from a deck of 52, without replacement, and bet that if at least one of the

four is a face card (i.e., Jack, Queen, or King), you pay me one dollar; otherwise I pay you one dollar. Should you take the bet? Why? (Hint: See how the probability of this event compares to 50%. If this is too hard, try it with replacement first.) (b) What if the bet involves picking three cards at random instead of four? Should you take the bet then? Why?
Business
1 answer:
Trava [24]3 years ago
5 0

Answer & Explanation:

a) Total ways to select 4 cards out of 52

= 52 C 4 = 270725

Total ways to select 4 cards out of 40 other (faceless) cards

= 40 C 4 = 91390

P( faceless cards ) = 91390 / 270725

= 0.3376

P( minimum 1 face ) = 1 - P( faceless cards )

= 1 - 0.3376

= 0.6624

You should take the bet because probability of winning is greater than 50%.

b) Total ways to select 3 cards out of 52

= 52 C 3 = 22100

Total ways to select 4 cards out of 40 other (faceless) cards

= 40 C 3 = 9880

P( faceless cards ) = 9880 / 22100

= 0.4471

P( minimum 1 face ) = 1 - P( faceless cards )

= 1 - 0.4471

= 0.5529

You should take the bet because probability of winning is greater than 50%.

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Suppose the Herfindahl indexes for industries A, B, and C are 1,200, 5,000, and 7,500 respectively. These data imply that: Group
iVinArrow [24]

Answer: market power is greatest in industry C.

Explanation:

The Herfindahl–Hirschman Index, is the measure of market concentration. It is calculated by squaring the market share of every firm that is competing in the market after which the resulting numbers will be added.

A market that has an HHI of less than 1,500 is said to be a competitive marketplace. A market that has an HHI of 1,500 to 2,500 is said to be moderately concentrated while a market that has an HHI of 2,500 or more is said to be highly concentrated. Therefore, the industry with the highest Herfindahl indexes here is industry C with 5000 and it has the most market power.

3 0
3 years ago
A company purchased $9,100 of merchandise on June 15 with terms of 3/10, n/45. On June 20, it returned $455 of that merchandise.
elena-14-01-66 [18.8K]

Answer:

$259.35

Explanation:

The computation of the amount of cash paid is shown below:

= (Purchase value of merchandise - returned goods of merchandise - discount charges)

= ($9,100 - $455 - $259.35)

= $8,385.65

The discount charges is

= (Purchase value of merchandise - returned goods of merchandise) × discount rate

=  ($9,100 - $455) × 3%

= $259.35

We simply applied the above formula

3 0
3 years ago
Misterio Company uses a standard costing system. During the past quarter, the following variances were computed:
kotykmax [81]

Answer:

1. Total hours allowed = 40,000

  Actual direct labour hours worked = 52,000.

2. Standard hourly rate = $10

   Actual rate = $10.2

3. Actual output= 20,000 units

Explanation:

The variable overhead efficiency variance in hours= variable overhead efficiency variance in Dollar/Variable overhead standard rate

= $24,000/$2= 12,000 hours unfavorable

Let the actual hours be V

Let the standard hours for the actual output achieved be = V

The actual hours worked = 130% of the standard hours allowed

Actual hours =130% × V = 1.3V

1.3V - V= 12,000

V=12000/0.3=40,000

Total hours allowed = 40,000

Actual labour hours= 130%× 40,000=52,000

Total hours allowed = 40,000

Actual direct labour hours worked = 52,000.

Standard labour rate =

Labour effciency variance in Dollar /Labour efficiency variance in hours

= 120,000/12,000=$10

Standard hourly rate = $10

Rate variance = (Actual rate - standard rate)× Actual hours

Let the actual rate be = Y

      10,400   = ( Y - 10) × 52,000

10,400= 52000Y- 520,000

Y= (520,000 + 10,400)/52,000=10.2

Actual rate = $10.2

Standard labour hours for actual output = Actual output × standard hours

Let the actual output be = m

40,000 = m × 2

m= 40,000/2= 20,000 units

Actual output= 20,000 units

3 0
3 years ago
Regardless of quantity in long-run equilibrium, the industry price cannot exceed the?
Crank

An extremely large number of vendors, each of whom makes a comparable or same product, make up a competitive market. The total of all these unique outputs, which each provider produces as a small portion of the market as a whole, represents the production of that industry. This includes dry cleaners, corner stores, barbershops, and florists.

A market that has just one supplier is considered a monopolist at the other extreme. Examples include the fact that the National Hockey League is the only provider of top-notch professional hockey matches in North America, Hydro Quebec is the province of Quebec's sole electricity supplier, and Via Rail is the only provider of passenger rail services between Windsor, Ontario, and the city of Quebec.

Equilibrium: What Is It?

When market supply and demand are in balance, prices become steady. This is known as equilibrium. In general, a surplus of goods or services leads to lower prices, which increases demand, whereas a shortfall or under supply raises prices, which decreases demand.

To learn more about Equilibrium from the given link.

brainly.com/question/517289

#SPJ4

3 0
2 years ago
The treasurer of a major U.S. firm has $36 million to invest for three months. The interest rate in the United States is .24 per
Hunter-Best [27]

Answer

The answer and procedures of the exercise are attached in the following archives.

Step-by-step explanation:

You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.  

Download xlsx
8 0
3 years ago
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