Question
The accompanying table describes results from groups of 10 births from 10 different sets of parents. The random variable x represents the number of girls
The accompanying table describes results from groups of 10 births from 10 different sets of parents. The random variable x represents the number of girls among 10 children. Use the range rule of thumb to determine whether 1 girl in 10 births is a significantly low number of girls.
Number of
Girls x
P(x)
0
0.003
1
0.015
2
0.036
3
0.116
4
0.205
5
0.237
6
0.204
7
0.114
8
0.035
9
0.019
10
0.016
Use the range rule of thumb to identify a range of values that are not significant.
The maximum value in this range is ? girls.(Round to one decimal place asneeded.)
The minimum value in this range is ? girls.(Round to one decimal place asneeded.)
Based on theresult, is 1 girl in 10 births a significantly low number ofgirls? Explain.
A.
No, 1 girl is not a significantly low number ofgirls, because 1 girl is within the range of values that are not significant.
B.
Yes, 1 girl is a significantly low number ofgirls, because 1 girl is above the range of values that are not significant.
C.
Yes, 1 girl is a significantly low number ofgirls, because 1 girl is below the range of values that are not significant.
D.
Not enough information is given.
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