What do you mean??????????????
1/5 of 90 is 18. So subtract 90 - 18 = 72. Then you would divide 72 by 18 to get 4
Answer:
Step-by-step explanation:
The formula to find the error is:
Where:
is the standard deviation
n is the sample size
So
n = 80 people
= 12 movies
Then
= confidence level = 0.99
We look for the Z value: 
Looking in the normal standard tables
Therefore:
B) the price of the shirt is the original $8.95 and the sales tax is 4.5% of the $8.95, so you would add it onto the original price
Answer:
26.9
Step-by-step explanation:
