(Retake/Makeup) Score: 2/16 2/16 atlowered Question 11 The life of a particular battery is known to follow a normal distribution , with a mean of Vizh hours and a standard deviation of 125 Hours. a. What percent of batteries last less than 1381 hours? ( Round to 4 decimal places) b. The 59 th percentile is represented by what number of hours of battery life? c. What is the probability that a randomly selected battery will last more than 1529 hours? > Expand panel to show vide Submit