namely, what is 1/2 of 3/4, well, is just their product.

Answer:

Step-by-step explanation:
-The margin of error is calculated using the formula:

-We substitute the values, n=900 and ME=30 in the formula to solve for standard deviation:

Hence, the population standard deviation is 547.1125
EXPLANATION:
1.25 + 0.8 + 2.75 = $4.8
ANSWER: $4.8
Answer:
First operation is Parathenses or Grouping. In this case, you need to use distrubtion to go past this operation
Step-by-step explanation: