Question

Will award medals for best answer.
For which of these scenarios could you use the normal approximation to the binomial?

Flip a coin 100 times and count the number of heads.

The number of free throws an 80% shooter will make in five attempts.

The number of free throws an 80% shooter will make in six attempts.

The number of people who have type O blood if the frequency in your population is .7 and you randomly select 6 people.

The number of bats who carry rabies if the frequency in your population is .8 and you select 4 bats.