There are 2n people that enter a housing lottery to win a free mobile service for one year. The 2n people consist of n pairs of roommates. There are m people that win the year of mobile service, the others win nothing. What is the expected number of pairs of roommates where neither win anything

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

you can download it here

236 cm 16 time 12 = 192

6 times 7 = 42

192+42

the linear relationship that represents a variation in direct proportion is the linear function that varies according to the numbers of its domain, for example the cost of producing x number of items can be represented in direct proportion by f (x) = mx + b, where m is the constant of proportionality, x the number of articles produced and b the fixed cost