Investment x has a 25% chance of producing a 20% return, a 50% chance of producing a 15% return, and a 25% chance of producing a return of -5%. what's investment x's coefficient of variation?

Find the expected net profit of an insurance company on a health-insurance policy if: the probability of a $5000 claim is 20%; the probability of a $1000 claim is 60%; the probability of a $20,000 claim is 10%, and the probability of no claim is 10%. the company charges $4000 for this coverage. interpret your answer.

On january 1 of the current year, jimmy's sandwich company reported owner's capital totaling $128,000. during the current year, total revenues were $106,000 while total expenses were $95,500. also, during the current year jimmy withdrew $30,000 from the company. no other changes in equity occurred during the year. if, on december 31 of the current year, total assets are $206,000, the change in owner's capital during the year was:

What is the minimum educational requirement for a pediatric psychopharmacologist? a. md b. phd c. bachelors in medicine d. masters in medicine e. psyd