Solve using StatCrunch The average birth weight of elephants
Solve using StatCrunch.
The average birth weight of elephants is 230 pounds. Assume that the distribution of birth weights is Normal with a standard deviation of 50 pounds. Find the birth weight of elephants at the 95th percentile.
Solve using StatCrunch.
The average birth weight of elephants is 230 pounds. Assume that the distribution of birth weights is Normal with a standard deviation of 50 pounds. Find the birth weight of elephants at the 95th percentile.
Solve using StatCrunch.
The average birth weight of elephants is 230 pounds. Assume that the distribution of birth weights is Normal with a standard deviation of 50 pounds. Find the birth weight of elephants at the 95th percentile.
Solution
for 95th percentile we know that
there only 0.05 data above of 95th percentile
so Z = 1.64
1.64 = (x - 230) / 50
x=312
the birth weight of elephants at the 95th percentile. is 312
