Answer:
4%
Step-by-step explanation:
As, some rate of $320 will give u 12.80
Now to find the percentage u always use this procedure :
Sales tax value = 12.80 divided by the the total cost ( $320) multipled by hundred
So 12.80/320 x 100 = 4
So 4%
This method help me alot in my solving skills
And used it everytime a question like this is given
So I hope u use it for such questions and u will get right with all hope!
Hope this helps!!
Answer:
x value is 10 as per as the question its value is 10
Answer:
534.0707511
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer: 0.84
Step-by-step explanation:
let p be the population proportion of adults who smoked a cigarette in the past week.
As per given , we have
Sample size : n= 1491
The sample proportion of adults smoked a cigarette=
The test statistic for proportion is given by :-
Substitute all the values , we get
Hence, the value of the test statistic = 0.84