Jason wants to dine at five different restaurants during a summer getaway. If four of nine available restaurants serve seafood, find the number of ways that at least one of the selected restaurants will serve seafood given the condition that the order of selection is important.

There are 1560 ways

Explanation:

The toal number of restaurants are 8, out of which 3 serve seafood, and during the summer gateway, Jason decided to dine out at 4 multifarious restaurants.

Since, the order is significant, permutations is to be used.

Four restaurants can be chosen from the 8 restaurants in . In this case, "at least one" is complement of "fewer than one" (that is 0). Thus, four restaurants that are not serving seafood can be chosen from five restaurants in .

Using complements principle to get the number of ways to get at least one of the restuarants serve seafood,

= 1680-120

= 1560

Therefore, there are 1560 ways

answer (b); /// a method of measuring the opinions of a large group of people by selecting a subset of the larger group, asking them a set of questions and then generalizing those responses;

answer: in the short-run firms will respond by raising the price of turkey.

explanation: initially the long-run equilibrium is at a price of $5 per pound of turkey and a quantity of 50 million pounds per year. now, when webmd claims that a protein found in turkey will increase your expected lifespan by 4 years. the consumers demand for turkey will increase at every price shifting the demand curve to the right from d1 to d2. while, there will be no change in the supply curve in the short-run as it is not possible for producers to adjust supply so quickly. as a result the new equilibrium will occur at a higher price and a higher quantity of turkey.

thus, in the short run firms will respond by increasing the price of turkey, selling more quantity at a higher price and earning economic profits.