80 - 2p
You use the distributive property
The relationship between the 6s in 6,600 value of the given digits
We write the numbers in place value chart
Thousand Hundreds Tens Ones
6 6 0 0
first 6 is in thousands place
next 6 is in hundreds place
6 thousand is 10 times greater than 6 hundred
6000 is 10 times greater than 600
Answer:
She will make $596 more next month
Step-by-step explanation:
298/1/3=894
894-298=596
Answer:
The correct value of the Z-statistic is z = -1.56
Step-by-step explanation:
A company manufacturing computer chips finds that 8% of all chips manufactured are defective.
This means that the null hypothesis is:

A hypothesis test is performed to determine if the additional training was effective in lowering the defect rate.
This means that the alternate hypothesis is:

z-statistic:

In which X is the sample mean,
is the value tested at the null hypothesis,
is the standard deviation and n is the size of the sample.
0.08 is tested at the null hypothesis:
This means that 
After training was implemented, a sample of 450 chips revealed only 27 defects.
This means that 
The correct value of the Z-statistic is


