4. A rocking horse has a weight limit of 60 pounds.
2 answers:
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Solution: We are given the population mean
Now, in order to find which shift's mean is closest to population mean, we will find the mean of each shift.
The mean of shift 1 is:
The mean of shift 2 is:
The mean of shift 3 is:
The mean of shift 4 is:
We clearly see the mean of shift 2 is close to the population mean. Hence the option B) Shift 2 is correct.
Answer:
Therefore the solutions are
Step-by-step explanation:
Given:
.........( 1 )
................( 2 )
To Find:
x = ?
y = ?
Solution:
Substituting ' y ' in Equation 1 we get
Using identity (A+B)²=A²+2AB+B² we get
Now Substitute x =0 in equation 2 we get
Or
Now Substitute x =-4 in equation 2 we get
Therefore the solutions are