The standard deviation of the market-index portfolio is 20%. stock a has a beta of 1.5 and a residual standard deviation of 30%. a. calculate the total variance for an increase of .15 in its beta. (do not round intermediate calculations. round your answer to the nearest whole number.) b. calculate the total variance for an increase of 3% in its residual standard deviation. (do not round intermediate calculations. round your answer to the nearest whole number.)

At cooly cola, we are testing the appeal of our new diet one cola. in a taste test of 250 randomly chosen cola drinkers, 200 consumers preferred diet one cola to the leading brand. assuming that the sample were large enough, the large-sample 95% confidence interval for the population proportion of cola drinkers that prefer diet one cola would be:

In june 2009, at the trough of the great recession, the bureau of labor statistics announced that of all adult americans, 140,196,000 were employed, 14,729,000 were unemployed and 80,729,000 were not in the labor force. use this information to calculate: a. the adult population b. the labor force c. the labor-force participation rate d. the unemployment rate

Job 456 was recently completed. the following data have been recorded on its job cost sheet: direct materials $ 2,418 direct labor-hours 74 labor-hours direct labor wage rate $ 13 per labor-hour machine-hours 137 machine-hours the corporation applies manufacturing overhead on the basis of machine-hours. the predetermined overhead rate is $14 per machine-hour. the total cost that would be recorded on the job cost sheet for job 456 would be: multiple choice $3,380 $5,298 $6,138 $2,622