The height of students in a college is normally distibuted with mean, cm and standart deviation of 12 cm.Given the percentage of students with the height of less than 150 cm is 25%.Find the value of
The height of students in a college is normally distibuted with mean, cm and standart deviation of 12 cm.Given the percentage of students with the height of less than 150 cm is 25%.Find the value of
i get:
is that my answer correct?
0.25 is a probabilty, not the value of z. More specifically, . So . Your job is to get the value of z* using your tables, substitute it and then solve for .