Answer:
The 90% confidence level margin of error for this sample mean is 0.42
Step-by-step explanation:
The Human Resources department conduct a random sample of 30 employees
n = 30
Standard deviation = 
z = 1.645
Formula of 90% confidence level margin of error for this sample mean=
So, margin of error for this sample mean=
So, margin of error for this sample mean=0.42
Hence the 90% confidence level margin of error for this sample mean is 0.42
<u><em>Answer: The answer is C. $13.91</em></u>
<u><em>Step-by-step explanation:</em></u>
<u><em>The way i got my answer is </em></u>
<u><em>78.75+92.66=171.41</em></u>
<u><em>171.41÷13=13.18</em></u>
<u><em>Round to the nearest cent which 13.91</em></u>
The missing side is 17 and rounded it is 20
Answer:
fgf
4
gfggf
gf
f
ffg
gf
Step-by-step explanation:
Answer:
2/10, 4/20, 8/40
Step-by-step explanation:
multiply the numerator and denominator by the same number.
It would be the reverse of reducing to the lowest denominator.
