Mikael is making an obstacle course for field day. at the end of every sixth of the course there is a tire. at the end of every third of the chorus there is a cone. at the end of every half of the course there is a hurdle. at which locations of the course will people need to go through more than one obstacle ?

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.