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
by arranging the line to the correct order in order to do whatever it is you need the number line for
Answer:
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Step-by-step explanation:
Answer: it is D
Step-by-step explanation:
Answer:
$540
Step-by-step explanation:
2460 = 4x + k
1920 = 3x + k
k is our student service fee, which we represent as a constant
subtracting the equations to remove k and isolate x, our cost per course
540 = x