What are unbiased estimators targeting?
sample means
independent samples
population parameters
normal distributions

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

What can you determine about the solutions of this system