In a study of all babies born at hospitals in one state, it was found that the average (mean) weight at birth was 3197.4 grams.
1 answer:
An experiment value can either represent statistic or parameter
The value of the average (mean) weight at birth represents is parameter
<h3>How to determine if the value is statistic or parameter</h3>The mean value is given as:
From the question, we understand that the value represents the average weight at birth of all babies born at hospitals in one state
The keyword "all" means that the value represents parameter
Hence, the value of the average (mean) weight at birth represents is parameter
Read more about statistic and parameter at:
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Answer:
Option C
Step-by-step explanation:
Let
x ----> the cost of the concert ticket
we know that
The total cost to be no more than $4 Above $80
so
Solve for x
The total cost to be no more than $4 below $80
so
Solve for x
therefore
The inequality that represent this problem is
<u><em>Verify</em></u>
<em>First solution (positive case</em>)
Solve for x
----> is ok
<em>Second solution (negative case)</em>
Multiply by -1 both sides
Solve for x
---> is ok
Remember that
is equivalent to
Because is a absolute value