a. find the probability of getting exactly 1 girl in 8 births.
b. find the probability of getting 1 or fewer girls in 8 births.
c. which probability is relevant for determining whether 1 is a significantly low number of girls on 8 births: results from part (a) or part (b)?
d. is 1 a significantly low number of girls in 8 births? Why or why not? Use 0.05 as the threshold for a significant event.