First I added 2.5+4.25=6.75
Then do $54/6.75=$8
Answer=$8
Answer:
Around 2397 Americans must be surveyed to get a margin of error of 2%.
Step-by-step explanation:
We are given the following in the question:
Proportion of US residents who thinks marijuana should be made legal = 48%

We have to construct a 95% confidence interval.
Margin of error = 2% = 0.02
Formula for margin of error =


Putting values, we get,

Thus, around 2397 Americans must be surveyed to get a margin of error of 2%.
Answer:
this is more than one question
Step-by-step explanation:
The value of
is 
Explanation:
Given that the function
is 
We need to determine the value of 
<u>The value of Opposite side of the triangle:</u>
The formula for
is given by

The value of opposite side can be determined using the formula,




Thus, the value of opposite side is 4
<u>The value of </u>
<u>:</u>
The formula for
is given by

Substituting the values, we have,

Thus, the value of
is 
<u>The value of </u>
<u>:</u>
The formula for
is given by

Substituting the values, we have,


Thus, the value of
is 
Hence, the value of
is