Two companies are competing for a contract to sell the school wifi. Comporium charges a $100 fee for installation and $39.99 for each month of service.
Brighthouse charges a $20 fee for installation and $49.99 for each month of
service. For what number of months of service will Comporium cost more than
Brighthouse?

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.