Question 12 Multiple Choice Worth 1 points)
1 answer:
You might be interested in
<em>If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).</em>
<em>If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).</em>
Answer:
The margin of error will be "0.65". A further explanation is provided below.
Step-by-step explanation:
The given values are:
n = 343
x = 110
At 99% confidence level,
%
then,
or,
Now,
The point estimate will be:
⇒
⇒
⇒
or,
⇒
⇒
The margin of error will be:
⇒
On substituting the above values, we get
⇒
⇒
⇒
hence,
⇒
⇒
⇒
Set up a proportion:
y = 35 when x = 7
y = ? when x = 10
To get x from 7 to 10, you have to multiply by . Therefore, you do the same to 35, and you get:
And your answer is 50 :)