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12 Mar 2021, 01:15
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B
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66% (01:07) correct
34%
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wrong
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Did at least 15 percent of the children in Springfield suffer adverse effects after taking a certain vaccination?
(1) Among the Springfield children, 20 percent of the girls and more than 10 percent of the boys suffered adverse effects after taking the vaccination.
(2) Among the Springfield children, 20 percent of the boys and more than 15 percent of the girls suffered adverse effects after taking that vaccination.
(1) Among the Springfield children, 20 percent of the girls and more than 10 percent of the boys suffered adverse effects after taking the vaccination.
(2) Among the Springfield children, 20 percent of the boys and more than 15 percent of the girls suffered adverse effects after taking that vaccination.
Kyala1Jameson
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12 Mar 2021, 09:00
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imo B .
Did at least 15 percent of the children in Springfield suffer adverse effects after taking a certain vaccination?
(1) Among the Springfield children, 20 percent of the girls and more than 10 percent of the boys suffered adverse effects after taking the vaccination.
No idea about the actual numbers .. since more than 10 percent of the boys may or may not impact to find the overall 15 percent of the children ..
Not sufficient ..
(2) Among the Springfield children, 20 percent of the boys and more than 15 percent of the girls suffered adverse effects after taking that vaccination.
20 percent of the boys and more than 15 percent of the girls suffered adverse effects .. means we can confidently say that atleast 15% of ovreall children in Springfield suffer adverse effects after taking a certain vaccination .. Sufficient
Did at least 15 percent of the children in Springfield suffer adverse effects after taking a certain vaccination?
(1) Among the Springfield children, 20 percent of the girls and more than 10 percent of the boys suffered adverse effects after taking the vaccination.
No idea about the actual numbers .. since more than 10 percent of the boys may or may not impact to find the overall 15 percent of the children ..
Not sufficient ..
(2) Among the Springfield children, 20 percent of the boys and more than 15 percent of the girls suffered adverse effects after taking that vaccination.
20 percent of the boys and more than 15 percent of the girls suffered adverse effects .. means we can confidently say that atleast 15% of ovreall children in Springfield suffer adverse effects after taking a certain vaccination .. Sufficient
12 Mar 2021, 22:00
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Did at least 15 percent of the children in Springfield suffer adverse effects after taking a certain vaccination?
Stat1: Among the Springfield children, 20 percent of the girls and more than 10 percent of the boys suffered adverse effects after taking the vaccination.
There are 2 cases.
Case-1: If nos. of boys are too high and nos. of girls too low then overall % will move towards, Boys %. It means close to 10%.
Case-2: If nos. of boys are too low and nos. of girls too high then overall % will move towards, girls %. It means close to 20%. Not sufficient to say, at least 15%
Stat2: Among the Springfield children, 20 percent of the boys and more than 15 percent of the girls suffered adverse effects after taking that vaccination.
In both the cases, overall % will be at least 15%. so, Sufficient
So, I think B.
Stat1: Among the Springfield children, 20 percent of the girls and more than 10 percent of the boys suffered adverse effects after taking the vaccination.
There are 2 cases.
Case-1: If nos. of boys are too high and nos. of girls too low then overall % will move towards, Boys %. It means close to 10%.
Case-2: If nos. of boys are too low and nos. of girls too high then overall % will move towards, girls %. It means close to 20%. Not sufficient to say, at least 15%
Stat2: Among the Springfield children, 20 percent of the boys and more than 15 percent of the girls suffered adverse effects after taking that vaccination.
In both the cases, overall % will be at least 15%. so, Sufficient
So, I think B.
