The water level in a reservoir is shown as 0 meters when the reservoir is full. during a drought, the water level fell from 0 to -22.4 meter in 3.5 months
what was the average change in the water level per month?

enter your answer as a decimal in the box.

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.