Answer:
0.001%
Step-by-step explanation:
Given that a recent study conducted by the state government attempts to determine whether the voting public supports a further increase in cigarette taxes to help the public schools
n = 1500
favour x = 622
Sample proportion p =
(right tailed test)
Assume H0 to be true.
Std error =
p difference = -0.2453
Test statistic Z =
p value <0.00001
Hence fon ull hypothesis not to be rejected significant level should be greater than 0.00001 or 0.001%