Multiplication, addition, subtraction
The answer is b: -3/8, -3/16, 7/4
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
No solution
because a number can not be less than and greater than the same number.