emilyplays474
14.04.2021 •
Mathematics
Find the area I will mark the BRAINEST
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Ответ:
84 or 90 i say 90
Step-by-step explanation:
thses are the closest ones
Ответ:
i think it's c
Step-by-step explanation:
A=33
2a2=3·3
2·82≈166.27688
Ответ:
A sample size of 6755 or higher would be appropriate.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of
, and a confidence level of 
, we have the following confidence interval of proportions.
In which
z is the zscore that has a pvalue of
.
The margin of error M is given by:
90% confidence level
So
, z is the value of Z that has a pvalue of 
, so 
.
52% of Independents in the sample opposed the public option.
This means that
If we wanted to estimate this number to within 1% with 90% confidence, what would be an appropriate sample size?
Sample size of size n or higher when
. So
A sample size of 6755 or higher would be appropriate.