Eighty percent of married couples paid for their honeymoon themselve.pdf

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Eighteen people on a amateur sports team are choosing a caption, a vice-caption, and a social coordinate from among their ranks. How many ways are there to do this? State of this is permutation or comdination and finish the problem? Solution as there is involvement of arrangement this is a state of permutation answer: choosing 3 out 0f 18 and arranging them in order of ranks = 18C3 * 3! [ or18P3] = 4896.

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Eighty percent of married couples paid for their honeymoon themselves. You randomly select
20 married couples and ask if they paid for their honeymoon themselves. Find the probability
that the number of couples who say they paid for their honeymoon themselves is: a). exactly
fifteen b). at least twelve c). less than twelve
Solution
Here p = 0.8, q = 0.2, n = 20 Binomial distribution (p + q)^20 You want value for a)
15 b) 12 and above c) 11 and below For (a) exactly 15, you need 20C15 x (0.8)^15 x (0.2)^5.
This is the required term of the binomial expansion. 20C15 = 20C5 = 15,504 (multiply out and
see) (0.8)^15 = 0.03518 (0.2)^5 = 0.00032 The term when multiplied out = 0.1745 Answer to
part (a) = 0.1745 For (b) you have to sum all the terms for 12, 13, 14, 15, 16, 17, 18, 19, 20 i.e.
find 20C12, 20C13, 20C14 etc. then (0.8)^12 x (0.2)^8, (0.8)^13 x (0.2)^7, etc. which takes a bit
of time & patience. Some of the later terms get very small and can be neglected I guess. Once
you have got that answer, you subtract it from 1 to get the answer to part (c).

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Edit question A firm has determined its optimal capital structure which is composed of the following sources and target market value proportions. Please show the formula and work. - Debt: The firm can sell a 12-year, $1,000 par value, 7 percent bond for $960. A flotation cost of 2 percent of the face value would be required in addition to the discount of $40. - Preferred Stock: The firm has determined it can issue preferred stock at $75 per share par value. The stock will pay a $10 annual dividend. The cost of issuing and selling the stock is $3 per share. - Common Stock: A firm\'s common stock is currently selling for $18 per share. The dividend expected to be paid at the end of the coming year is $1.74. Its dividend payments have been growing at a constant rate for the last four years. Four years ago, the dividend was $1.50. It is expected that to sell, a new common stock issue must be underpriced $1 per share in floatation costs. Additionally, the firm\'s marginal tax rate is 40 percent. Please show the formula and the work for the below: 33) The firm\'s before-tax cost of debt is ________. 34) The firm\'s after-tax cost of debt is ________. 35) The firm\'s cost of preferred stock is ________. 36) The firm\'s cost of a new issue of common stock is ________. ) 37) The firm\'s cost of retained earnings is ________. 38) The weighted average cost of capital up to the point when retained earnings are exhausted is ________.Source of CapitalTarget market ProportionsLong-term debt20%Preferred Stock10Common stock equity70 Solution 33) PV = -(960 - 2%*1000) = -940; FV = 1000; n = 12; PMT = 70; CPT I/R, gives 7.79% 34) After tax cost of debt = 7.79%(1-0.40) = 4.67% 35). Cost of Preferred Stock(Kp) = Annual Dividend/(Current Market Price - Flotation Cost) = $10/($75 - $3) = $10/$72 = 13.89% 36). Growth Rate = (dividend in year 5/dividend in year 0)1/n - 1 = (1.74/1.50)1/5- 1 = 3.01% cost of a new issue of common stock = [D1/(P0-flotation cost)] + g = [1.74/(18 - 1)] + 0.0301 = 0.1024 +0.0301 = 13.25% 37). cost of retained earnings = [D1/P0] + g = [1.74/18] + 0.0301 = 0.0967 + 0.0301 = 12.67% 38). wacc = (weight of debt x after tax cost of debt) + (weight of preferred stock x cost of preferred stock) + (weight of common stock x cost of retained earnings) = (0.2 x 4.67%) + (0.1 x 13.89%) + (0.7 x 12.67%) = 11.19%.

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economies of scale diseconomies of scale economic profit accounting profit economies of scale diseconomies of scale economic profit accounting profit SATCLong-Run Average Cost 9 5 SATC SATC2 SATC 0 300 600 900 200 1500 Quantity Solution d) Accounting profit In the long-run there is zero economic profit. Firms earn only normal profit. Also, in the long-run firms can adjust their production capacities as per the demand and hence economies / diseconomies of scale are not experienced..

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Economic models usually present only 1 type of interest rate but there are more than 20 in reality. Is this an oversimplification that may lead to wrong analysis of monetary policy? Solution Macroeconomic models are widely used because they allow the analyst to simplify a situation. A real economy is a virtual porridge of interaction and data. To make some sense of this recondite chaos, the analyst will pull out those key variables which seem to have the most importance and fit only them into a logical scheme, omitting the others. Likewise, composites of individual human economic behavior are aggregated in macroeconomic models, and as such are simplified. A rational consumption function with all of its arguments (e.g. consumption depends upon income, wealth, expected income and wealth, the rate of inflation, etc.), for example, makes the useful simplifying assumption that individual consumers are fairly consistent and similar in their economic behavior, allowing for a generalization of the aggregate behavior. Such simplifications are not only expedient but necessary. Nonetheless, the model in its simplicity is different than the real economy (or segment of the real economy) that it is designed to replicate. The omitted variables often do matter in the real economy. Likewise some generalizations end up being too crude to produce precise or accurate results. So,this an oversimplification doesn\'t lead to wrong analysis of monetary policy..

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East Street Automotive Repair received an invoice amounting to $1,406 with cash terms of 3/15 dated February 27. If a partial payment of $750 is made on March 10, find the balance due on the invoice. Select one: a. $656 b. $773.20 c. $633.50 d. $632.80 Solution The Invoice amount 1406 Payment -750 Balance to be paid 656 If the full payment is made within 15 days then discount of 3% will be availed The correct option is a. $ 656.

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economic ercise Scores 0 of 1 pt Assignment Score: 4.84% (3 of 62 pts) Suppose that the price of a pair of shoes is $10 and the price of a box of tea is $6. What is the relative price of a pair of shoes? OA 1667 OB 4.000 Oc 16.000 OD 0.600 Solution 1. Relative price is the ratio of prices of the two goods, Here, relative price of a pair of shoes = 10/6 = 1.6667 option a. 2. The relativ price of hospital room in 2003 = 250/350 = 0.71 Relative price of hotel suite in 2003 =350/250 = 1.4 Similarly in 2004, for hospital rooms= 0.733 for hotel suite = 1.36 Hence, in 2004, the relative price for hospital room increased and for hotel suite it decreased . option b 3. option c . relative price of hamburger increased from 0.83 to 0.89 4.Picture not cleaar. However, market quantity demanded is the sum of all quanttites at the given price. 5. option c )9. It is the sum of all quantities demanded.

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