A study was conducted to investigate the length of time (in seconds) it took for a chocolate chip to melt in the mouth. Melt time was measured for each of 80 students who participated in the study. The five number summary for the resulting data set was: 12 29 35 38 41 Approximately how many chips had a melt time between 12-29 seconds?

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.