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, 962 births consisted of 492 baby girls and 470 baby boys. In analyzing these results, assume that boys and girls are equally likely. 1) Find the probability of getting exactly 492 girls in 962 births

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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, 962 births consisted of 492 baby girls and 470 baby boys. In analyzing these results, assume that boys and girls are equally likely. 1) Find the probability of getting exactly 492 girls in 962 births. 2) Find the probability of getting 492 or more girls in 962 births: if boys and girls are equally likely, is 492 girls in 962 births unusually high? 3) Which probability is relevant for trying to determine whether the technique is effective: the result from a or b? 4) Based on the results, does it appear that the gender-selection technique is effective?

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