[بنت الهواشم]

نملة كاشخة عندي سؤال ياليت تفهمني اش يبغى بالضبط منوا

let T1 the time to travel from A to B through an old road be normally
distributed with mean 22minutes and standard deviation 5 minutes
let T2 the time to travel from A to B through an new road be normally distributed with mean 16minutes and standard deviation 7 minutes
you have 19 minutes to travel from A to Bon an important appointment using this information solve the following


1- p ( T1> 19 )
0.2257
0.2743
0.7743
0,7257

2- p (T2<19)
0,0987
0.9013
0,6664
0.7257