Question
Homework:6.6 HW Question 6, 6.6.13-T Part 1 of 5 HW Score: 66.82%, 7.35 of 11 points Points: 0 of 1 Save A gender-selection technique is
Homework:6.6 HW
Question 6, 6.6.13-T
Part 1 of 5
HW Score: 66.82%, 7.35 of 11 points
Points: 0 of 1
Save
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,
840
births consisted of
430
baby girls and
410
baby boys. In analyzing these results, assume that boys and girls are equally likely.
a. Find the probability of getting exactly
430
girls in
840
births.
b. Find the probability of getting
430
or more girls in
840
births. If boys and girls are equally likely, is
430
girls in
840
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?
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