Suppose the returns on Asset Y are normally distributed. The average annual return for this assetover 50 years was 12.9 percent and the standard deviation of the returns was 22.8 percent.Based on the historical record, use the cumulative normal probability table (rounded to thenearest table value) in the appendix of the text to determine the probability that in any given yearyou will lose money by investing in common stock.What is the probablility of a return less than zero percent for Asset Y?Multiple Choice30.01%3.86%27.15%29.72%28.58%

Answered: Asset Y are normally distributed. The…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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According to a study done by De Anza students, the height for Asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. Suppose one Asian adult male is randomly chosen. Let X = height of the individual. Find the probability that the person is between 64 and 69 inches. The middle 40% of heights fall between what two values?Write the probability statement. State the two values. (Round your answers to one decimal place.) x1,x2 ch6#9
The useful life of an electrical component is exponentially distributed with a mean of 4,000 hours. a. What is the probability the circuit will last more than 4,750 hours? b. What is the probability the circuit will last between 4,000 and 4,250 hours? c. What is the probability the circuit will fail within the first 3,750 hours?
According to a 2009 Reader's Digest article, people throw away about 11% of what they buy at the grocery store. Assume this is the true proportion and you plan to randomly survey 79 grocery shoppers to investigate their behavior. What is the probability that the sample proportion does not exceed 0.18?Note: Calculate z to two decimal places.Answer = (Enter your answer as a number accurate to 4 decimal places.)
The probability that a student passes APPDA is 2/3, and the probability that she passes Research Methods is 4/9. If the probability of passing at least one course is 4/5, what is the probability that she will pass both courses ? Final answer in % and 2 decimal places.
Suppose you pay $500 per year to insure your car worth $10,000. The probability that you get in an accident, totaling the car, in any year is 0.001. Find your standard deviation for the insurance. Round your answer to the nearest dollar.
The time between arrivals of vehicles at a particular intersection follows an exponential probability distribution with a mean of 12 seconds. A. IN EXCEL sketch this exponential distribution, and Standard deviation. B. IN EXCEL What is the probability that the arrival time between vehicles is 12 seconds or less. C. IN EXCEL What is the probability that the arrival time between vehicles is 6 seconds or less.
Table of number of drivers involved in fatal crashes Weather Normal Rain Snow/Sleet Other Unknown Light Condition Dark, but Daylight Lighted Dark 14,616 5669 8284 861 469 695 227 56 155 147 67 231 800 258 564 Dawn/Dusk 1249 80 18 33 79 Other 54 6 9 9 148 1677
The average income tax refund for the 2017 tax year was $1997. Assume the refund per person follows the normal probability distribution with a standard deviation of $943. Use this model to answer the following questions. Don’t use Excel formulas – use the tables. Show the standardization and other calculations. a) For a randomly selected return, what the is probability that the refund exceeds $2500 ? b) For a randomly selected return, what the is probability that the refund is between $2000 and $3000? c) What is the 3rd quartile of the refund amount? d) The 20th percentile?
You have a craving for Mrs. Fields gourmet cookies. You have a choice of oatmeal raisin, macadamia nut, triple chocolate, cinnamon sugar, chocolate chip, and peanut butter. If you must choose at least one cookie: (Answer to one decimal place) a. What is the probability that you do not take cookies that contain chocolate? Evaluate as a percent to the nearest 1 decimal place if rounding is required. Don't include the percent sign in your answer. b. How many ways is this possible?
A stock can earn a return of 10%, 15%, -5%, or 0%, each with a known probability of 25%. What is the standard deviation of this stock's return? Select one: O a. .025 b. .079 c..05 d. .00625 e..0913
If the probability that an individual will suffer a bad reaction to a given vaccine is 0.13. Determine the probability that out of 4 individuals, none will suffer a bad reaction. [The answer should be a number rounded to five decimal places, don't use symbols such as %]
Suppose that the longevity of a light bulb is exponential with a mean lifetime of eight years. a. Find the probability that a light bulb lasts less than one year.b. Find the probability that a light bulb lasts between six and ten years.c. Seventy percent of all light bulbs last at least how long?d. A company decides to offer a warranty to give refunds to light bulbs whose lifetime is among the lowest two percent of all bulbs. To the nearest month, what should be the cutoff lifetime for the warranty to take place?e. If a light bulb has lasted seven years, what is the probability that it fails within the 8th year.

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