When testing for differences of means, the t-statistic t equals StartFraction Upper Y overbar Subscript m Baseline minus Upper Y overbar Subscript w Over SE left parenthesis Upper Y overbar Subscript m Baseline minus Upper Y overbar Subscript w right parenthesis EndFraction

, where SE left parenthesis Upper Y overbar Subscript m Baseline minus Upper Y overbar Subscript w Baseline right parenthesis equals StartRoot StartFraction s Subscript m Superscript 2 Over n Subscript m EndFraction plus StartFraction s Subscript w Superscript 2 Over n Subscript w EndFraction EndRoot

has:

A. a student t distribution if the population distribution of Y is not normal.

B. cannot be computed unless n Subscript m equals n Subscript w.

C. a normal distribution even in small samples.

D. a student t distribution if the population distribution of Y is normal.

Burke enterprises is considering a machine costing $30 billion that will result in initial after-tax cash savings of $3.7 billion at the end of the first year, and these savings will grow at a rate of 2 percent per year for 11 years. after 11 years, the company can sell the parts for $5 billion. burke has a target debt/equity ratio of 1.2, a beta of 1.79. you estimate that the return on the market is 7.5% and t-bills are currently yielding 2.5%. burke has two issuances of bonds outstanding. the first has 200,000 bonds trading at 98% of par, with coupons of 5%, face of $1000, and maturity of 5 years. the second has 500,000 bonds trading at par, with coupons of 7.5%, face of $1000, and maturity of 12 years. kate, the ceo, usually applies an adjustment factor to the discount rate of +2 for such highly innovative projects. should the company take on the project?

Gulliver travel agencies thinks interest rates in europe are low. the firm borrows euros at 5 percent for one year. during this time period the dollar falls 11 percent against the euro. what is the effective interest rate on the loan for one year? (consider the 11 percent fall in the value of the dollar as well as the interest payment.)

What is a uniform law adopted by all states that facilitates business transactions?