Question
Time that is needed to fix a car engine problem follows a normal distribution with mean of 48 and std of 5 minutes .A mechanics
Time that is needed to fix a car engine problem follows a normal distribution with mean of 48 and std of 5 minutes .A mechanics tells a customer that it takes maximum of 1 hour to fix the engine .
a.what is the probability that the mechanics estimation about the time does not happen.
b.if the mechanic wants to give an estimation about time with 98% confidence what would be the time
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Sample Size Determination In Clinical Trials With Multiple Endpoints
Authors: Takashi Sozu, Tomoyuki Sugimoto, Toshimitsu Hamasaki, Scott R Evans
1st Edition
3319220055, 9783319220055
