1. The return of a portfolio is normally distributed with a mean return of 8% and risk of 10%. What is the probability that this portfolio's return is between 18% and 27.6%?
2. Critically describe five cost estimation techniques, In a separate paragraph, explain with reasons the most suitable cost estimation technique for your term project
Please provice more than 200 words
3. What is X if X equals the value of investment A plus the value of investment B? Investment A is expected to pay 11,500 dollars in 1 year(s) from today and has an expected return of 9.27 percent per year. Investment B is expected to pay 25,400 dollars in 2 year(s) from today and has an expected return of 4.59 percent per year.