Question

help me!

The average healing time of a certain type of incision is 280 hours with standard deviation of 25 hours. What percentage of the people having this incision would heal in 10 days or less? Assume a normal distribution Click the loon to view the area under the standard normal curve table of people having this incision should heal in 10 days or less (Type anweger or decimal rounded to the nearest hundredth as med

Answer 1

let 2: healing time of a certain type of incision Here, an Normal (288, 252) رئNo the people having probability of this time incision wowd heal is in Jess ise 240 hours or less 10 days 08 240-288 L X-288 25 25 Pcx6 240) P(x =p (25-1:92) 1-PCZL):92) by using Standard pormal table P ( x 42 400 = - I - 0.9726 c = 0.0274 2.74 1. Ans: 2:74 1. of people having this incision showd heal in 10 days or less