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 05. Assume that the groups consist of 41 couples. Complete parts (a) through (c) below. a. Find the mean and the standard deviation for the numbers of girls in groups of 41 births. The value of the mean is p= (Type an integer or a decimal. Do not round.) The value of the standard deviation is a= (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 ofgirls or greater are significaaly high (Round to one decimal place as needed) c. Is the result of 39 girts a result that is significantly high? What does it suggest about the effectiveness of the method? The result is significantly high, because 39 girts is greater than girls. Aresult of 39 girls would suggest that the method is effective (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 05. Assume that the groups consist of 41 couples. Complete parts (a) through (c) below. a. Find the mean and the standard deviation for the numbers of girls in groups of 41 births. The value of the mean is p= (Type an integer or a decimal. Do not round.) The value of the standard deviation is a= (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 ofgirls or greater are significaaly high (Round to one decimal place as needed) c. Is the result of 39 girts a result that is significantly high? What does it suggest about the effectiveness of the method? The result is significantly high, because 39 girts is greater than girls. Aresult of 39 girls would suggest that the method is effective (Round to one decimal place as needed)
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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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 41 couples. Complete parts (a) through (c) below.
a. Find the mean and the standard deviation for the numbers of girls in groups of 41 births.
The value of the mean isu =
(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.
girls or fewer are significantly low.
(Round to one decimal place as needed.)
Values of
Values of girls or greater are significaly high.
(Round to one decimal place as needed.)
c. Is the result of 39 girls a result that is significantly high? What does it suggest about the effectiveness of the method?
is
significantly high, because 39 girls is greater than
girls. A result of 39 girls would suggest that the method is effective.
The result
(Round to one decimal place as needed.)
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