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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, 941 births consisted of 474 baby girls and 467 baby boys. In analyzing these results, assume that boys and girls are equally likely. a. Find the probability of getting exactly 474 girls in 941 births. b. Find the probability of getting 474 or more girls in 941 births. If boys and girls are equally likely, is 474 girls in 941 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? a. The probability of getting exactly 474 girls in 941 births is (Round to four decimal places as needed.)

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, 941 births consisted of 474 baby girls and 467 baby boys. In analyzing these results, assume that boys and girls are equally likely. a. Find the probability of getting exactly 474 girls in 941 births. b. Find the probability of getting 474 or more girls in 941 births. If boys and girls are equally likely, is 474 girls in 941 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? a. The probability of getting exactly 474 girls in 941 births is (Round to four decimal places as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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, 941 births consisted of 474 baby girls and 467 baby boys. In analyzing these results, assume that boys and girls are equally likely. a. Find the probability of getting exactly 474 girls in 941 births. b. Find the probability of getting 474 or more girls in 941 births. If boys and girls are equally likely, is 474 girls in 941 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? a. The probability (Round to four decimal places as needed.) getting exactly 474 girls in 941 births is
Transcribed Image Text: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, 941 births consisted of 474 baby girls and 467 baby boys. In analyzing these results, assume that boys and girls are equally likely. a. Find the probability of getting exactly 474 girls in 941 births. b. Find the probability of getting 474 or more girls in 941 births. If boys and girls are equally likely, is 474 girls in 941 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? a. The probability (Round to four decimal places as needed.) getting exactly 474 girls in 941 births is
Previous Question Use a normal approximation to find the probability of the indicated number of voters. In this case, assum aged 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged 18-24, 22% of them voted. Probability that exactly 29 voted The probability that exactly 29 of 111 eligible voters voted is. (Round to four decimal places as needed.)
Transcribed Image Text:Previous Question Use a normal approximation to find the probability of the indicated number of voters. In this case, assum aged 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged 18-24, 22% of them voted. Probability that exactly 29 voted The probability that exactly 29 of 111 eligible voters voted is. (Round to four decimal places as needed.)
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