Cian, an automobile manufacturer, offers a new car model with features comparable to that of another popular brand. However, the Cian model is priced lower than its competitor and includes a longer warranty. Cian is most likely following a more-for-the-same strategy.1. True2. False

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i.e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i.e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.

Which of the following is true of website content? it should be refreshed periodically to keep customers coming back. once the content has been written and proofread it shouldn't be changed. grammatical errors are not a problem because the customer visits the site to purchase a product, not check the site's grammar. it should be limited to text and shouldn't include multimedia.

Industrial engineers who specialize in ergonomics are concerned with designing workspace and devices operated by workers so as to achieve high productivity and comfort. a paper published in this research area reports on a study of preferred height for an experimental keyboard with large forearm-wrist support. a sample of 31 trained typists resulted in an average preferred height of 80.0 cm