A recent study conducted by the state government attempts to determine whether the voting public supports a further increase in cigarette taxes. The opinion poll recently sampled 1,500 voting age citizens. 1,020 of the sampled citizens were in favor of an increase in cigarette taxes. The state government would like to decide if there is enough evidence to establish whether the proportion of citizens supporting an increase in cigarette taxes is significantly greater than .66. Identify the null hypothesis.
A) p ≠ .66
B) p .66
C) p ≤ .66

Question

A recent study conducted by the state government attempts to determine whether the voting public supports a further increase in cigarette taxes. The opinion poll recently sampled 1,500 voting age citizens. 1,020 of the sampled citizens were in favor of an increase in cigarette taxes. The state government would like to decide if there is enough evidence to establish whether the proportion of citizens supporting an increase in cigarette taxes is significantly greater than .66. Identify the null hypothesis.
A) p ≠ .66
B) p > .66
C) p ≤ .66

Quizplus · Accepted Answer

Since we want to prove that the proportion of citizens supporting an increase in cigarette taxes is greater than 0.66, we take the complement of that for the null.

A Recent Study Conducted by the State Government Attempts to Determine