Choose the correct answers for (a) the total installment price, (b) the carrying charges, and (c) the number of months needed to save the money at the monthly rate to buy the item for its cash price.
a stereo with a cash price of $1,200 at $119.00 per month for 12 months

There is 1 way to win 6 games in a row There are 2 ways to win 5 games in a row l, l There are 5 ways to win 4 games in a row ll, ll, ll, wl, and lw. There are 2^n to arrange 6 wins and losses which adds up to 2^(6) = 64 So the Probability they win all four games in a stretch is 5 + 2 + 1 ways = 8 ways. So the probability = 8/64 = 1/8