Answer:
d. 0.133
Step-by-step explanation:
-Standard error is calculated using the formula:

#We substitute the given values in the formula to solve for E:

Hence, the standard error is 0.133 and the correct option is d
52.25 x 0.08 = 4.18
So the tax is $4.18, and the total cost is $56.43
4 2/9=8/9
8/9 x 6=48/9= 5 3/9
5 3/9= 5 1/3
8 + 3/4 - 11<span> + </span>1/3<span> = - </span>215<span>/12 = - 17 </span>11/12 = - 17.9166666667; Result written as: improper fraction, mixednumber<span> (also called mixed fraction) and decimal </span><span>number</span>