i need help

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Michael is watching an old game show rerun on television called Let's Make a Deal in which the contestant chooses a prize behind one of two curtains. Behind one ofthe curtains is a gag prize worth $ 140, and behind the other is a roundtheworld trip worth $ 4,500. The producerof the game show has placed a subliminal message on the curtain containing the gag prize, which makes the probability of choosing the gag prize equal to 75 percent. Laura is considering investing in a company's stock and is aware that the return on that investment is particularly sensitive to how the economy is performing. Her analysis suggesE that four states of the economy can affect the return on the investment. Probability Return Boom 0.3 25.00% Good 0.1 15.00% Level 0.3 10.00% Slump 0.3 -5.00% (a 1) Use the table of returns and probabilities above to determine the expected return on Laura's investment? {Round amtaS decimal places. as. 0.076.) Expected return (32) What is the standard deviation of that selection? (aunt! mm 2 decimal plates, 23. 15.25.) Standard deviation $ ' You have chosen biology as your college major because you would like to be a medical doctor. However, you nd that the probability of being accepted to medical school is about 20 percent. It you are accepted to medical school, then your starting salary when you graduate will be $ 340,000 per year. However, if you are not accepted. then you would choose to work in a zooywhere you will earn $ 31,000 per year. Without considering the additional years you would spend in school ifyou study medicine orthe time value of money. (all What is your expected starting salary? Expected starting salary $ Stocks A, B, and C have expected returns of 12 percent, 12 percent, and 10 percent, respectively, while their standard deviations are 42 percent. 30 percent, and 30 percent. respectively. If you were considering the purchase of each of these stocks as the only holding in your portfolio and the riskfree rate is 0 percent which stock should you choose? {Round answers to 2 decimal places, es. 15.25.;I Coefcient of variation of Stock A l Coefcient of variation of Stock B l Coefcient of variation of Stock C l Thomas invested $ 1,000 in large US. stocks at the beginning of 2012. This investment earned 16.60 percent in 2012, 31.20 percent in 201111 1.90 percent in 2014, and 1.30 percent in 2015.What return did he earn in the average year during the 20122015 period? [Round answer to 2 decimal places. es. 1.52.] Excel Template (Note: This template includes the problem statement as it appears in your textbook. The problem assigned to you here may have different values. When using this template, copy the problem statement from this screen for easy reference to the values you've been given here. and be sure to update any values that may have been pre-entered in the template based on the textbook version of the problem! Return earned in the average year 96 Richard invested $ 1.000 in large US. stocks at the beginning of 2012. This investment earned 17195 percent in 2012, 32.70 percent in 2013,1335 percent in 2014, and 2.20 percent in 2015.What was the average annual return that Richard earned overthe 20122015 period. [Round answer to 2 decimal places. es. 1.52.} Excel Template (Note: This template includes the problem statement as it appears in your textbook. The problem assigned to you here may have different values. When using this template, copy the problem statement from this screen for easy reference to the values you've been given here. and be sure to update any values that may have been pre-entered in the template based on the textbook version of the problem! Average annual return earned l 9'5 Jason is thinking about purchasinga soft drink machine and placing it in a business ofce. He knows that there is a 13.60 percent probability that someone who walks by the machine will make a purchase from the machine. and he knows that the prot on each soft drink sold is $0.10. If Jason expects 1,400 people per day to pass by the machine and requires a complete return of his investment in one year, then what is the maximum price that he should be willing to pay for the soft drink machine? Assume 250 working days in a year. and ignore taxes and the time value of money. Maximum price $ Assume the expected return on the market is 10 percent and the riskfree rate is 4 percent. (31) What is the expected return for a stock with a beta equal to 1.50? {Round am to 2 Mutual places, 2.3. 025.} Expected return ' The distribution of grades in an introductory nance class is normally distributed, with an expected grade of 76. If the standard deviation of grades is 14, in what range would you expect 99.00 percent of the grades to fall? (Round gamers to 2 dedmalplaces. e3. 1525. Hint Think In terms afwhatreexpeched hallmark: lowest some: would be for 99.00% of the students taking the m} Excel Template (Note: This template includes the problem statement as it appears in your textbook. The problem assigned to you here may have different values. When using this template, copy the problem statement from this screen for easy reference to the values you've been given here. and be sure to update any values that may have been pre-entered in the template based on the textbook version of the problem.) 99.00 percent of the grades should fall beween the ranges {lower end) i and [upper end} Elizabeth recently invested in real estate with the intention of selling the property one year from today. She has modeled the returns on that investment based on three economic scenarios. She believes that if the eoonomy stays healthy. then her investment will generate a 30 percent return. However, if the economy softens, as predicted, the return will be 10 percent, while the return will be -25 percent if the economy slips into a recession. If the probabilities of the healthy. soft, and recessionary states are 0.3. 0.5, and 0.2. respectively, then what are the expected return and the standard deviation of the return on Eliza beth's investment? 1' Round answers to 3decimal places. as. 0.125 and round intemedfate calaaons to 5 decimal places. es. 0.0?680J' Expected return I Standard deviation