There are 8,000 students at the school of management, ut dallas. the average age of all the students is 24 years with a standard deviation of 4.76 years. what is the smallest sample size such that the standard deviation of the sample mean is 0.56 years or less? (enter an integer number.)

Beta coefficients and the capital asset pricing model personal finance problem katherine wilson is wondering how much risk she must undertake to generate an acceptable return on her porfolio. the risk-free return currently is 4%. the return on the overall stock market is 14%. use the capm to calculate how high the beta coefficient of katherine's portfolio would have to be to achieve a portfolio return of 16%.

Email viruses are typically launched by people who modify header information to hide their identity. brightmail's enrique salem says that in the future, your email reader will authenticate the sender before putting hte message in your inbox. that way, you will know the source of all the emails you read. alan nugent of novell says, "i'm kind of a fan of eliminating anonymity if that is the price for security." will eliminating anonymity make computers more secure?

Frost corporation incurred the following transactions during its first year of operations. (assume all transactions involve cash.) 1) acquired $1,900 of capital from the owners. 2) purchased $435 of direct raw materials. 3) used $290 of these direct raw materials in the production process. 4) paid production workers $490 cash. 5) paid $290 for manufacturing overhead (applied and actual overhead are the same). 6) started and completed 250 units of inventory. 7) sold 140 units at a price of $6 each. 8) paid $130 for selling and administrative expenses. the amount of raw material inventory on the balance sheet at the end of the accounting period would be: