Question 8 The accompanying table describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. A. Find the...


Question 8


The accompanying table describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children.


A. Find the probability of getting exactly 6 girls in 8 births.


B. Find the probability of getting 6 or more girls in 8 births.


C. Which probability is relevant for determining whether 6 is a significantly high number of girls in 8​ births: the result from part​ (a) or part​ (b)?




A. The result from part​ a, since it less than the probability of the given or more extreme result.






B.
The result from part​ b, since it is the probability of the given or more extreme result.

This is the correct answer.




C.The result from part​ a, since it is the exact probability being asked.

Your answer is not correct.




D.The result from part​ b, since it is the complement of the result of part a.




D. Is 6 a significantly high number of girls in 8​ births? Why or why​ not? Use 0.05 as the threshold for a significant event.






A.
No, since the appropriate probability is greater than​ 0.05, it is not a significantly high number.





B.
Yes, since the appropriate probability is greater than​ 0.05, it is a significantly high number.





C.
No, since the appropriate probability is less than​ 0.05, it is not a significantly high number.





D.
Yes, since the appropriate probability is less than​ 0.05, it is a significantly high number.





Number of<br>Girls x<br>P(x)<br>0.003<br>1<br>0.027<br>0.114<br>0.214<br>4<br>0.284<br>5<br>0.214<br>0.114<br>7<br>0.027<br>8<br>0.003<br>

Extracted text: Number of Girls x P(x) 0.003 1 0.027 0.114 0.214 4 0.284 5 0.214 0.114 7 0.027 8 0.003

Jun 01, 2022
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