Which is a critical point of the function f(x) = sin(2x) in the interval [0,2pi] ? A.
pi/2
B.
3pi/2
C.
pi/2, 3pi/2
D.
pi/4, 3pi/4

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.