Sharon kicks a ball from the ground into the air with an upward velocity of 64 feet per second. the function h = -16t2 + 64t models the height h, in feet, of the ball at time t, in seconds. when will the ball reach the ground again? a: 1 second after the ball is thrown b: 2 seconds after the ball is thrown c: 3 seconds after the ball is thrown d: 4 seconds after the ball is thrown

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?