Jaco has a list of 90 data science students, 20 of whom are female and 70 of whom are male. He then selects 10 at random. Of the randomly selected students a group coordinator is also chosen randomly. What is the probability that the coordinator will be a female?​

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.