Six red marbles 4 green marbles into blue marbles are placed in the jar. what is the probability of selecting a green marble and then a blue marble given the first marble is not return to the jar after it is drawn. a.2/11 b. 1/11 c. 2/33 d. 5/33

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.