Security A has a beta of 0.9 and a standard deviation of its error term of 8%. If the standard deviation of the market is 10%, the total variance for Security A is (a) 17.2. (b) 73.0. (c) 145.0. (d) 154.0. (e) 181.0.

Security Y has a total variance of 225. Its beta is 1.2 and the market variance is 100. The standard deviation of its random error term is (a) 6%. (b) 14%. (c) 3%. (d) 9%. (e) 11%.

When using the market model for portfolio development, the analyst assumes that the correlation between each security's random error is (a) 0.5. (b) 0.0. (c) -0.5. (d) -1.0. (e) 1.0.

Please provide detailed work as I want to understand this.

i would ask my boss to do more things around the car shop. and i would slowly work my way up to working on cars and becoming a full time mechanic.

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.

these are the four factors that influence enterpreneurship development

1. economic development

2. culture

3.technological development

4. education

answercombination of ability and experience of the partners;