In: Math
A gender-selection technique is designed to increase the likelihood that a baby will be a girl. In the results of the gender-selection technique,
861861
births consisted of
443443
baby girls and
418418
baby boys. In analyzing these results, assume that boys and girls are equally likely.
a. Find the probability of getting exactly
443443
girls in
861861
births.
b. Find the probability of getting
443443
or more girls in
861861
births. If boys and girls are equally likely, is
443443
girls in
861861
births unusually high?
c. Which probability is relevant for trying to determine whether the technique is effective: the result from part (a) or the result from part (b)?
d. Based on the results, does it appear that the gender-selection technique is effective?