The weight of 3-month-old Bullmastiffs follow approximately

Last updated: 7/19/2022

The weight of 3-month-old Bullmastiffs follow approximately a normal distribution with a mean of 120 pounds and a variance of 25 pounds. If your 3-month-old Bullmastiff is 130 pounds, how many standard deviations above or below the mean is your pet (i.e., find the Z-score)? 0 1 1.5 2