Aball is thrown vertically upward from the top of a 200 foot tower, with an initial velocity of 5 ft/sec. its position function is s(t) = –16t2 + 5t + 200. what is its velocity in ft/sec when t = 3 seconds?

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.