Mathematics, 10.11.2019 05:31 allieeastridge
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 43 couples. complete parts (a) through (c) below.
a. find the mean and the standard deviation for the numbers of girls in groups of 43 births. the value of the mean is__ (type an integer or a decimal. do not round.)the value of the standard deviation is (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 32 girls a result that is significantly high? what does it suggest about the effectiveness of the method? the result is/is not significantly high, because 32 girls is greater than/equal to/less than girls. a result of 32 girls would suggest that the method is not effective/is effective.(round to one decimal place as needed.)
Answers: 2
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Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer
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Assume that different groups of couples use a particular method of gender selection and each couple...
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