Answer:
the answe is 187 cm square
Answer:
a= k/4+9b
Step-by-step explanation:
hope this helps, if not let me know!
Answer:
:0 no one knows
Step-by-step explanation:
Answer:
Inequality is when people or things are not the same or dont have the same benefits.
Step-by-step explanation:
i tried
Answer:
The need to sample 76 days.
Step-by-step explanation:
We have that to find our
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of
.
So it is z with a pvalue of
, so
Now, find the margin of error M as such
In which
is the standard deviation of the population and n is the size of the sample.
How many days do they need to sample
We need to sample n days.
n is found when M = 300.
We have that 
So




Rounding up
The need to sample 76 days.