Suppose the life of a particular brand of laptop battery is normally distributed with a mean of 8 hours and a standard deviation of of 0.6 hours. What is the probability that the battery will last more than 9 hours before running out of power? The starting salary of an administrative assistant is normally distributed with a mean of $50,000 and sata ndard deviation of 2,500. We now that the probability of a randomly selected administration assistant making the salary between Find the salary range referred to in this statement