Joe paid 25 for his haircut. if he tips the hairdresser 15%, how much did the hairdresser receive?
1 answer:
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Answer:
<em>You can chose 3 in 5</em><em> :o</em>
Step-by-step explanation:
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Answer:
The right solution is "0.196".
Step-by-step explanation:
The given values are:
Standard deviation,
Sample size,
Confidence level,
%
Now,
For
then,
The margin or error will be:
⇒
On substituting the values, we get
=
=
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