Question
My answer is not correct and I am not sure what I am doing wrong (see picture) PROBLEM: In politics, marketing, etc. we often want
My answer is not correct and I am not sure what I am doing wrong (see picture)
PROBLEM:
In politics, marketing, etc. we often want to estimate a percentage or proportionp
. One calculation in statistical polling is the margin of error - the largest (reasonble) error that the poll could have. For example, a poll result of 72% with a margin of error of 4% indicates thatp
is most likely to be between 68% and 76% (72% minus 4% to 72% plus 4%).
In a (made-up)poll, the proportionof people who likedark chocolate more than milk chocolatewas48%
with a margin of error of1.6%
. Describe the conclusion aboutp
using an absolute value inequality.
The answer field below uses the symbolic entry option in Mobius. That lets you type in a vertical bar | to represent absolute values. Also, when you type in
and then=
, the symbolic entry option will automatically convert that to?
. In the same way, if you type in>
and then=
, the symbolic entry optionwill automatically convert that to?
.
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