The average healing time of a certain type of incision is 288 hours, with standard deviation of 25 hours. What percentage of the people having this incision would heal in 9 days or less? Assume a normal distribution. Click the icon to view the area under the standard normal curve table. % of people having this incision should heal in 9 days or less. (Type an integer or decimal rounded to the nearest hundredth as needed.)

Question
The average healing time of a certain type of incision is 288 hours, with standard deviation of 25 hours. What percentage of the people having this incision would heal
in 9 days or less? Assume a normal distribution.
Click the icon to view the area under the standard normal curve table.
% of people having this incision should heal in 9 days or less.
(Type an integer or decimal rounded to the nearest hundredth as needed.)
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Transcribed Image Text

The average healing time of a certain type of incision is 288 hours, with standard deviation of 25 hours. What percentage of the people having this incision would heal in 9 days or less? Assume a normal distribution. Click the icon to view the area under the standard normal curve table. % of people having this incision should heal in 9 days or less. (Type an integer or decimal rounded to the nearest hundredth as needed.)

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