ent The average healing time of a certain type of incision is 240 hours, with standard deviation of 30 hours. What percentage of the people having this incin would holidays or Asume a normal distribution Click the icon to view the area under the standard normal curve table Us re Ds of people having this incision should al in 8 days or less (Type an integer or decimal rounded to the nearest hundredth as needed.) Enter your answer in the answer box and then click Check Answer Type here to search o 8