Johnson is hired by a company to see if a new product, topocal, will cause hair to grow on the heads of bald men. he recruits one thousand bald men, and randomly divides them into two groups: five hundred (group a. rub topocal on their scalps each day; the other five hundred (group b. rub a standard skin lotion on their scalps each day. after two months, johnson checks to see what the results have been. he finds that there has been hair growth in 7 percent of group a and in 2 percent of group b. 
what is the sample?

Tiana daniels enterprise’s trial balance as at december 31, 2016 did not balance. on february 15, 2017 the following errors were detected: errorsi. water rates had been undercast by $2, 000.  ii. a cheque paid to yvonne walch of $2, 680 had been posted to the credit side of her account.  iii. discount received total of $1, 260 had been posted to the debit side of the discount allowed account as $1, 620.  iv. rent paid in the amount of $24, 000 had been posted to the credit of the rent received account.  v. wayne returned goods valuing $1, 680 to daniels enterprise but had been completely omitted from the books.    required: 1. prepare the journal entries to correct the errors.  (narrations required)                    14.5 marks  2.    prepare the suspense account showing clearly the original trial balance error.          8 marks

Refer to the payoff matrix. suppose that speedy bike and power bike are the only two bicycle manufacturing firms serving the market. both can choose large or small advertising budgets. is there a nash equilibrium solution to this game?

Brian has been working for a few years now and has saved a substantial amount of money. he now wants to invest 50 percent of his savings in a bank account where it will be locked for three years and gain interest. which type of bank account should brian open? a. savings account b. money market account c. checking account d. certificate of deposit