A couple decided to have 4 children, 25% chance of having severe anemia, 50% chance of having mild anemia, and 25% chance of having normal blood. What is the probability that all of them would be normal?

A. Is the question can be answered using binomial probability?
B. If yes, then calculate the probability that all of the four children will be normal using binomial expansion. Show your calculation.

Question

A couple decided to have 4 children, 25% chance of having severe anemia, 50% chance of having mild anemia, and 25% chance of having normal blood.  What is the probability that all of them would be normal?

A. Is the question can be answered using binomial probability?
B. If yes, then calculate the probability that all of the four children will be normal using binomial expansion. Show your calculation.

ookawaiioo · Answer

Looks like an incomplete dominance of anemia