A researcher is testing a new painkiller that claims to relieve pain in less than 15 minutes, on average. a. State the hypotheses associated with the researcher's test. b. Describe a Type I error for this situation. c. Describe a Type II error for this situation.

Orange corporation issued 20-year, noncallable, 7.5% annual coupon bonds at their par value of $1,000 one year ago. today, the market interest rate on these bonds is 5.5%. what is the current price of the bonds, given that they now have 19 years to maturity?

The following pertains to smoke, inc.’s investment in debt securities: on december 31, year 3, smoke reclassified a security acquired during the year for $70,000. it had a $50,000 fair value when it was reclassified from trading to available-for-sale. an available-for-sale security costing $75,000, written down to $30,000 in year 2 because of an other-than-temporary impairment of fair value, had a $60,000 fair value on december 31, year 3. what is the net effect of the above items on smoke’s net income for the year ended december 31, year 3?

Xinhong company is considering replacing one of its manufacturing machines. the machine has a book value of $39,000 and a remaining useful life of 5 years, at which time its salvage value will be zero. it has a current market value of $49,000. variable manufacturing costs are $33,300 per year for this machine. information on two alternative replacement machines follows. alternative a alternative b cost $ 115,000 $ 117,000 variable manufacturing costs per year 22,900 10,100 1. calculate the total change in net income if alternative a and b is adopted. 2. should xinhong keep or replace its manufacturing machine