The sticker price for a new luxury SUV is $93,755, and most people who are interested in purchasing the vehicle will try to negotiate the price. To help in the negotiation process, there are many websites that provide information about what other consumers have paid for the vehicle. What is very interesting is that the price paid tends to follow the pattern of a normal distribution. If the average price paid for this vehicle is $92,450 and if the standard deviation is $1,275, find each of the following: What is the probability that a buyer will pay more than the average price?
b. What is the probability that a buyer will pay less than $92,000?
c. What is the probability that a buyer will pay between $91,500 and $93,000?
d. At what price will 95% of the buyers pay more?
e. What is the range of prices paid for the middle 95% of the buyers?

Wo firms, a and b, each currently dump 50 tons of chemicals into the local river. the government has decided to reduce the pollution and from now on will require a pollution permit for each ton of pollution dumped into the river. it costs firm a $100 for each ton of pollution that it eliminates before it reaches the river, and it costs firm b $50 for each ton of pollution that it eliminates before it reaches the river. the government gives each firm 20 pollution permits. government officials are not sure whether to allow the firms to buy or sell the pollution permits to each other. what is the total cost of reducing pollution if firms are not allowed to buy and sell pollution permits from each other? what is the total cost of reducing pollution if the firms are allowed to buy and sell permits from each other? a. $3,000; $1,500 b. $4,500; $3,500 c. $4,500; $4,000 d. $4,500; $2,500