Question: Determining Whether Gender-Selection Technique Is Effective Assume that in a test of a gender-selection technique, a clinical trial results in 12 girls in 14 births.

Determining Whether Gender-Selection Technique Is Effective Assume that in a test of a gender-selection technique, a clinical trial results in 12 girls in 14 births. Refer to Table 4-1 and find the indicated probabilities.

a. Find the probability of exactly 12 girls in 14 births.

b. Find the probability of 12 or more girls in 14 births.

c. Which probability is relevant for determining whether 12 girls in 14 births is unusually high: the result from part

(a) or part (b)?

d. Does 12 girls in 14 births suggest that the gender-selection technique is effective?

Why or why not?

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