NEED HELP PLEASE I BEG!!!!!!
2 answers:
The confidence interval estimator of the population proportion is given by
where:
is the sample proportion, which is midway between the two intervals and M.E. is the margin of error which is the difference between each of the intervals and the sample proportion.
i.e.
Therefore, the margin of error is 4%.
where:
i.e.
Therefore, the margin of error is 4%.
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Answer:
A. $ 24 7/8
Step-by-step explanation:
GIVEN: A stock starts the day at $27 3/8 per share.
Share drops $2 1/2 during the day.
To Find : Closing value
Solution : first we need to find how many 1/8 are there in 1/2
So,
when share drops by $2 then share will be :
$27 - $2 =$25
and
⇒
⇒
So,
⇒
So, its closing value is .