Question: Agender-selection technique is designed to increase the likelihood that a baby will be a girl. In the results of thegender-selection technique, 906 births consisted of

Agender-selection technique is designed to increase the likelihood that a baby will be a girl. In the results of thegender-selection technique, 906 births consisted of 467 baby girls and 439 baby boys. In analyzing theseresults, assume that boys and girls are equally likely.

a. Find the probability of getting exactly 467 girls in 906 births.

b. Find the probability of getting 467 or more girls in 906 births. If boys and girls are equallylikely, is 467 girls in 906 births unusuallyhigh?

c. Which probability is relevant for trying to determine whether the technique iseffective: the result from part(a) or the result from part(b)?

d. Based on theresults, does it appear that thegender-selection technique iseffective?

a. The probability of getting exactly 467 girls in 906 births is

nothing

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