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Assume that different groups of couples use a particular method of gender selection and each couple gives birth to one baby. This method is designed to increase the likelihood that each baby will be a girl, but assume that the method has no effect, so the probability of a girl is 0.5. Assume that the groups consist of 44 couples. Complete parts (a) through (c) below. a. Find the mean and the standard deviation for the numbers of girls in groups of 44 births. The value of the mean is μ = - (Type an integer or a decimal. Do not round.) The value of the standard deviation is o=. (Round to one decimal place as needed.) b. Use the range rule of thumb to find the values separating results that are significantly low or significantly high. Values of girls or fewer are significantly low. (Round to one decimal place as needed.) Values of (Round to one decimal place as needed.) c. Is the result of 40 girls a result that is significantly high? What does it suggest about the effectiveness of the method? The result significantly high, because 40 girls is girls. A result of 40 girls would suggest that the method girls or greater are significantly high. (Round to one decimal place as needed.)

Assume that different groups of couples use a particular method of gender selection and each couple gives birth to one baby. This method is designed to increase the likelihood that each baby will be a girl, but assume that the method has no effect, so the probability of a girl is 0.5. Assume that the groups consist of 44 couples. Complete parts (a) through (c) below. a. Find the mean and the standard deviation for the numbers of girls in groups of 44 births. The value of the mean is μ = - (Type an integer or a decimal. Do not round.) The value of the standard deviation is o=. (Round to one decimal place as needed.) b. Use the range rule of thumb to find the values separating results that are significantly low or significantly high. Values of girls or fewer are significantly low. (Round to one decimal place as needed.) Values of (Round to one decimal place as needed.) c. Is the result of 40 girls a result that is significantly high? What does it suggest about the effectiveness of the method? The result significantly high, because 40 girls is girls. A result of 40 girls would suggest that the method girls or greater are significantly high. (Round to one decimal place as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Assume that different groups of couples use a particular method of gender selection and each couple gives birth to one baby. This method is designed to increase the likelihood that each baby will be a girl, but assume that the method has no effect, so the probability of a girl is 0.5. Assume that the groups consist of 44 couples. Complete parts (a) through (c) below. a. Find the mean and the standard deviation for the numbers of girls in groups of 44 births. The value of the mean is μ = (Type an integer or a decimal. Do not round.) The value of the standard deviation is o=. (Round to one decimal place as needed.) b. Use the range rule of thumb to find the values separating results that are significantly low or significantly high. Values of girls or fewer are significantly low. (Round to one decimal place as needed.) Values of girls or greater are significantly high. (Round to one decimal place as needed.) c. Is the result of 40 girls a result that is significantly high? What does it suggest about the effectiveness of the method? The result significantly high, because 40 girls is girls. A result of 40 girls would suggest that the method (Round to one decimal place as needed.)
Transcribed Image Text:Assume that different groups of couples use a particular method of gender selection and each couple gives birth to one baby. This method is designed to increase the likelihood that each baby will be a girl, but assume that the method has no effect, so the probability of a girl is 0.5. Assume that the groups consist of 44 couples. Complete parts (a) through (c) below. a. Find the mean and the standard deviation for the numbers of girls in groups of 44 births. The value of the mean is μ = (Type an integer or a decimal. Do not round.) The value of the standard deviation is o=. (Round to one decimal place as needed.) b. Use the range rule of thumb to find the values separating results that are significantly low or significantly high. Values of girls or fewer are significantly low. (Round to one decimal place as needed.) Values of girls or greater are significantly high. (Round to one decimal place as needed.) c. Is the result of 40 girls a result that is significantly high? What does it suggest about the effectiveness of the method? The result significantly high, because 40 girls is girls. A result of 40 girls would suggest that the method (Round to one decimal place as needed.)
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