Suppose that x1 and x2 are i. i.d. random variables and that each of them has the uniform distribution on the interval [0, 1]. find the p. d.f. of y = x1 + x2.

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Math each whole number with a rational,exponential expression

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.