A half hour evening tv show has an average of 10.4 minutes of commercials. Assume the number of minutes of commercials follows a normal distribution with standard deviation of 2.0 minutes. a) Find the probability a half hour soap opera has less than 11 minutes of commercials. Use the exact value found in the z-table. b) Find the probability a half hour soap opera has between 10 and 11 minutes of commercials. Use the exact values found in the z-table. c) Find the probability a half hour soap opera has more than 10.4 minutes of commercials. Use the exact. value found in the z-table. d) Find the probability a half hour soap opera has more than 14.5 minutes of commercials. Use the exact value found in the z-table. e) The lowest 25% of minutes of commercials is at most how long? (In other words, find the maximum minutes for the lowest 25% of number of minutes of commercials.) Use the nearest value in the z-table. f) Find the upper number of minutes of commercials for the middle 80% of shows. Use the nearest value in the z-table. g) Find the lower number of minutes of commercials for the middle 80% of shows. Use the nearest value in the z-table.