rosieanneanney
06.11.2020 •
Mathematics
Which graph shows the solution to the system of linear inequalities?
x + 3y > 6
y>2x+4
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Ответ:
the graph showing is the right answer
Step-by-step explanation:
Ответ:
a. the mean of the population
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 is:
To find the sample size necessary we need values of M(maximum margin of error), z(related to the confidence level) and
, which is an estimate of the true population proportion p.
The mean of the population is not needed.
So the correct answer is:
a. the mean of the population