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AleksAgata [21]
3 years ago
11

In a national survey on substancein a national survey on substance abuse commaabuse, modifying 66.4 % with underline66.4% of res

pondents who were full dash timeof respondents who were full-time college students aged 18 to 22 reported using alcohol within the pastcollege students aged 18 to 22 reported using alcohol within the past month.month. nothing is the value a parameter or a​ statistic?
Business
1 answer:
ollegr [7]3 years ago
5 0

Answer: The value is a statistic .

The term ‘survey’ in statistics refers to a method of inferring some information about a population by collecting data from a sample that is from the same population.  

The numerical inferences from a <u>sample are known as statistics</u>, while the numerical inferences from a <u>population are known as parameters.</u>

Since the study referred to in the question above is a survey, the numerical value given above is a statistic.


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An investment project has annual cash inflows of $4,400, $3,900, $5,100, and $4,300, for the next four years, respectively. The
RoseWind [281]

Answer:

Discounted payback period shall be as follows:

a. 1 year 7.36 months

b. 2 years 3.27 months

c. 3 years 2.9 months

Explanation:

a. Payback period in case of cash outflow = $5,700

For calculating the pay back period we shall firstly discount the cash flows to present value @14 %.

Year         Cash Flow         PV Factor           PV of Cash Flow       Cumulative

                                                                                                            Cash Flow

0                 -  $5,700            1                             - $5,700                    -5,700

1                     $4,400         0.877                         $3,858.8                -$1,841.2

2                    $3,900         0.770                         $3,003                    $1,161.8

Since the cumulative cash flows are positive in 2nd year payback period =

1 + \frac{1,841.2}{3,003} \times 12 = 1 year and 7.36 months

b. Payback period in case of cash outflow = $7,800

For calculating the pay back period we shall firstly discount the cash flows to present value @14 %.

Year         Cash Flow         PV Factor           PV of Cash Flow       Cumulative

                                                                                                            Cash Flow

0                 -  $7,800            1                             - $7,800                    -7,800

1                     $4,400         0.877                         $3,858.8                -$3,941.2

2                    $3,900         0.770                         $3,003                    -$938.2

3                    $5,100          0.675                         $3,442.5                  $2,504.3

Since the cumulative cash flows are positive in 3rd year payback period =

2 + \frac{938.2}{3,442.5} \times 12 = 2 years and 3.27 months

b. Payback period in case of cash outflow = $10,800

For calculating the pay back period we shall firstly discount the cash flows to present value @14 %.

Year         Cash Flow         PV Factor           PV of Cash Flow       Cumulative

                                                                                                            Cash Flow

0               -  $10,800            1                          - $10,800                   -$10,800

1                   $4,400         0.877                         $3,858.8                 -$6,941.2

2                  $3,900         0.770                         $3,003                    -$3,938.2

3                  $5,100          0.675                         $3,442.5                   -$495.7

4                  $4,300          0.592                        $2,545.6                   $2,049.9

Since the cumulative cash flows are positive in 4th year payback period =

3 + \frac{495.7}{2,049.9} \times 12 = 3 years and 2.9 months

Final Answer

Discounted payback period shall be as follows:

a. 1 year 7.36 months

b. 2 years 3.27 months

c. 3 years 2.9 months

7 0
4 years ago
Suppose the inflation premium is 2 percent and the nominal interest rate is 1 percent. Instructions: In part a, enter your answe
Fudgin [204]

Answer:

(a) Real Interest Rate   = -1 %

(b) Real Interest Rate   = -2.4 %

Explanation:

Real Interest Rate = (1+ Nominal Interest rate)/(1+Inflation Rate) -1

 (a)Real Interest Rate = (1+0.01)/(1+0.02)-1

                                    = -1 %

 (b) Real Interest Rate = (1+0.005)/(1+0.03) -1

                                      = -2.4 %

Real Interest Rate is an interest rate that has been adjusted to remove the effects of inflation to reflect the real cost of funds to the borrower and the real yield to the lender or to an investor.

8 0
3 years ago
The founder of Alchemy Products Inc. discovered a way to turn gold into lead and patented this new technology. He then formed a
Ira Lisetskai [31]

Answer:

(A) $200,000

(B) $50,200,000

(C) $0.10 per share

(D) $25.10 per share

Explanation:

(A) The book value of the firm is $200,000

(B) The market value of the firm can be calculated as follows

= $200,000 + 50,000,000

= $50,200,000

(C) The book value per share can be calculated as follows

= 200,000/2,000,000

= $0.10 per share

(D) The price per share can be calculated as follows

= 50,200,000/2,000,000

= $25.10 per share

4 0
4 years ago
Stocks 1 and 2 are selling for $100 and $125, respectively. You own 200 shares of stock 1 and 100 shares of stock 2. The weekly
dezoksy [38]

Answer: covariance matrix is

(0.00090 0.00042)

(0.00042 0.00160)

Mean of weekly return = 0.00119

Standard deviation = 0.0279

VaR(0.05) = $1450.73

Explanation:

> S1 = 200*100

> S2 = 100*125

> w1 = S1/(S1+S2)

> w2 = 1 - w1

> w = c(w1,w2)

> means = c(0.001, 0.0015)

> sd = c(0.03, 0.04)

> rho = 0.35

> multiply = w %*%

means> round(mutiply by 5)=0.00119

> cov = matrix(c(sd^2, sd[1]*sd[2]*rho,sd[1]*sd[2]*rho,sd[2]^2),nrow=2) = 0.00090, 0.00042, 0.00042, 0.00160

> sdp = sqrt( w %*% cov %*% w )> round(sdp,4)=0.0279

> VaR = -(S1+S2)*(mup+sdp*qnorm(.05))

=1450.73

6 0
4 years ago
if you make a one-time investment of $500 at 8% interest compounded annually, how much money will you have in 20 years? 50 years
sladkih [1.3K]

The formula for annually compounded interest is as follows:

A = P(1 + r)^t

P is the initial amount you invest, r is the interest rate as a decimal, and t is the number of years the money will have been invested.

Convert the 8% interest rate into a decimal by dividing by 100:

8 \div 100 = 0.08

We now have all of our values. Plug the known values into the equation:

P = 500, r = 0.08

t = 20

500(1+0.08)^{20} = 500(1.08)^{20} = \boxed{2330.48}

t  = 50

500(1+0.08)^{50} = 500(1.08)^{50} = \boxed{23450.81}

8 0
3 years ago
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