You are buying batteries a stereo and some cds from the i. b electronic store. you can buy from this store online or in a physical store. you have a coupon for 10% off that can only be used in the physical store nd a $5.00 off coupon that can only be used online. the sales tax of 5% only applies to the physical store. shipping for the online store is a flat rate of $6.99. you are trying to decide whether to shop at the physical store or the online store. using the pricing information below how much money would you save by shopping in the physical store after all discounts, taxes, and shipping fees have been applied

Afriend of mine is giving a dinner party. his current wine supply includes 10 bottles of zinfandel, 8 of merlot, and 11 of cabernet (he only drinks red wine), all from different wineries. (a) if he wants to serve 3 bottles of zinfandel and serving order is important, how many ways are there to do this? ways (b) if 6 bottles of wine are to be randomly selected from the 29 for serving, how many ways are there to do this? ways (c) if 6 bottles are randomly selected, how many ways are there to obtain two bottles of each variety? ways (d) if 6 bottles are randomly selected, what is the probability that this results in two bottles of each variety being chosen? (round your answer to three decimal places.) (e) if 6 bottles are randomly selected, what is the probability that all of them are the same variety? (round your answer to three decimal places.)