3) Mendelian genetics predicts that in Labrador retrievers (a type of dog), 75% should have black color if both parents are heterozygous (the rest are brown). You mate two parents and get a litter of...

3) Mendelian genetics predicts that in Labrador retrievers (a type of dog), 75% should have black color if both parents are heterozygous (the rest are brown). You mate two parents and get a litter of 8 puppies. Calculate the following:

a) The probability of 6 black puppies.

b) The probability of 4 brown puppies.

c) The probability that 25% of the puppies will be brown.