9. A certain statistic b is being used to estimate a population parameter B. The expected value of bl
is equal to B. What property does b exhibit?
a. The sampling distribution of Ô is normal.
b. The sampling distribution of b is binomial.
C. The sampling distribution of b is uniform.
d. Ô is unbiased.
e. b is biased.

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.