KA gender-selection technique is designed to increase the likelihood that a baby will be a girl. In the results of thegender-selection technique, 934 births consisted of 481 baby girls and 453 baby boys. In analyzing these results,assume that boys and girls are equally likely.Q Searcha. Find the probability of getting exactly 481 girls in 934 births.b. Find the probability of getting 481 or more girls in 934 births. If boys and girls are equally likely, is 481 girls in 934births unusually high?c. Which probability is relevant for trying to determine whether the technique is effective: the result from part (a) or theresult from part (b)?d. Based on the results, does it appear that the gender-selection technique is effective?his View an example Get more help....a. The probability of getting exactly 481 girls in 934 births is(Round to four decimal places as needed.)Clear allCheck answert Us

From the given information we have n = 934 Here boys and girls are equally likely so P(girls) =…

Answered: K A gender-selection technique is…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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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 490 baby girls and 472 baby boys. In analyzing these results, assume that boys and girls are equally likely. a. Find the probability of getting exactly 490 girls in 962 births. b. Find the probability of getting 490 or more girls in 962 births. If boys and girls are equally likely, is 490 girls in 962 births unusually high?
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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, 904 births consisted of 465 baby girls and 439 baby boys. In analyzing these results, assume that boys and girls are equally likely. a. Find the probability of getting exactly 465 girls in 904 births. b. Find the probability of getting 465 or more girls in 904 births. If boys and girls are equally likely, is 465 girls in 904 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?
67% of LaGuardia students are female. A random sample of 6 students is to be selected. Let the random variable X be the number of female students in a sample. a. What is the probability that out of 6 randomly selected students at most 2 are male? b. Find the average number of female students per sample if a large number of random samples of 20 students were selected.
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