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


Or 2 times 2 times 2 times 2 times 2 times 2 times 2

So, 2^6 is:
64
Now, 7^4 is:
2,401
Hope it helps!

Answer:
Step-by-step explanation:
X=5
I'm assuming this is what they want? haha
Answer:
the answer is 15000
Step-by-step explanation:
multiply 12000 by 0.25 to get 3000. then add 3000 to 12000 to get 15000