Two cell phone diagnostic stores are located next to each other in a mall. each has one employee and enough space to accommodate 4 customers; any potential customer who finds a store full will not wait. store a charges $11 per customer and takes an average of 12 minutes to complete the diagnostic service. store b charges $5 per customer and takes an average of 6 minutes to complete the diagnostic service. an average of 10 potential customers per hour arrive at each store. of course, a potential customer becomes an actual customer only if they find the store isn’t already full when they arrive. assuming that interarrival times and diagnostic service times are exponential, how much money will each store earn per hour? which store will earn more money?

Amarket is said to be equilibrium when quantity demanded is equal to quantity supplied. critically analyse the above statement by giving different types of market

1. descriptive statistics quickly describe large amounts of data can predict future stock returns with surprising accuracy statisticians understand non-numeric information, like colors refer mainly to patterns that can be found in data 2. a 15% return on a stock means that 15% of the original purchase price of the stock returns to the seller at the end of the year 15% of the people who purchased the stock will see a return the stock is worth 15% more at the end of the year than at the beginning the stock has lost 15% of its value since it was originally sold 3. a stock purchased on january 1 cost $4.35 per share. the same stock, sold on december 31 of the same year, brought in $4.75 per share. what was the approximate return on this stock? 0.09% 109% 1.09% 9% 4. a stock sells for $6.99 on december 31, providing the seller with a 6% annual return. what was the price of the stock at the beginning of the year? $6.59 $1.16 $7.42 $5.84

Emily spent her summer vacation in buenos aires, argentina, where she got plastic surgery for a fraction of what it would cost in the united states. this is an example of: