Question
The distribution of students’ heights in a class of 100 students is normal, with a mean
height of 66 inches and a standard deviation of three. With these parameters, answer the associated question(s).
The shortest 10% of the class is equal to or shorter than __________ inches. Round to the nearest tenths place if a fraction.
height of 66 inches and a standard deviation of three. With these parameters, answer the associated question(s).
The shortest 10% of the class is equal to or shorter than __________ inches. Round to the nearest tenths place if a fraction.
Answers
PsyDAG
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.10) in the smaller area and find the Z score. Insert in equation above to find the score.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.10) in the smaller area and find the Z score. Insert in equation above to find the score.
JACOB
59.9