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 areequally 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 QuestionUse a normal approximation to find the probability of the indicated number of voters. In this case, assumaged 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 votedThe probability that exactly 29 of 111 eligible voters voted is.(Round to four decimal places as needed.)

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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 surgical technique is performed on seven patients. The technique has a 70% chance of success. Find the probability that the surgery is successful for at least five patients.
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, 865 births consisted of 434 baby girls and 431 baby boys. In analyzing these results, assume that boys and girls are equally likely. a. Find the probability of getting exactly 434 girls in 865 births. b. Find the probability of getting 434 or more girls in 865 births. If boys and girls are equally likely, is 434 girls in 865 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 434 girls in 865 births is (Round to four decimal places as needed.) b. The probability of getting 434 or more girls in 865 births is (Round to four decimal places as needed.) If boys and girls are equally likely, is 434 girls in…
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?
Suppose that 28% of people own dogs. If two people are randomly selected, what is the probability that they both own a dog?
Assume that when adults with smartphones are randomly selected, 58%use them in meetings or classes. If 13 adult smartphone users are randomly selected, find the probability that fewer than 4 of them use their smartphones in meetings or classes.
Assume that when adults with smartphones are randomly selected, 51 % use them in meetings or classes. If 12 adult smartphone users are randomly selected, find the probability that fewer than 5 of them use their smartphones in meetings or classes.
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?
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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, 889 births consisted of 450 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 450 girls in 889 births. b. Find the probability of getting 450 or more girls in 889 births. If boys and girls are equally likely, is 450 girls in 889 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 450 girls in 889 births is 0.0223. (Round to four decimal places as needed.) b. The probability of getting 450 or more girls in 889 births is (Round to four decimal places as needed.)
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