Question 2: a circular picture is 8 inches in diameter. part a what is the area of the picture in square inches? a. 4 π square inches b. 8 π square inches c. 16 π square inches d. 32 π square inches part b a frame that is 2 inches wide surrounds the picture. what is the total area of the picture and the frame in square inches? a. 4 π square inches b. 12 π square inches c. 36 π square inches d. 40 π square inches

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.