bazsinghnagoke
02.12.2019 •
Mathematics
A government's congress has 376 members, of which 44 are women. an alien lands near the congress building and treats the members of congress as as a random sample of the human race. he reports to his superiors that a 95% confidence interval for the proportion of the human race that is female has a lower bound of 0.085 and an upper bound of 0.149. what is wrong with the alien's approach to estimating the proportion of the human race that is female?
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Ответ:
Alien does not take the sample because alien choose the data of a Government's congress and congress contain less women.
On the other hand general population contain women greater than congress
So as compared to general population confidence interval is not representative.
Ответ:
80-82 is 7 days
82-84 is 9 days
84-86 is 6 days
so... 7+9+6=22