Significance Tests for Proportions

What is the name of the claim we are trying to find evidence against?

• null hypothesis
• alternative hypothesis
• margin of error
• point estimate

What is it called when something is unlikely to happen by chance alone?

• statistically significant
• alpha
• confidence level
• probability

A sports publication states that 32% of married men cannot watch football games because their wives prevent it.  You think that this is untrue.  What is your null hypothesis?

• The proportion of married men who cannot watch football because their wives prevent it is 0.32.
• The proportion of married men who cannot watch football because their wives prevent it is greater than 0.32.
• The proportion of married men who cannot watch football because their wives prevent it is less than 0.32.
• The proportion of married men who cannot watch football because their wives prevent it is not 0.32.

• A
• B
• C
• D

Which of the following is not an option for an alternate hypothesis? 

• H_a = k
• H_a > k
• H_a < k
• H_a ≠ k

When making the decision regarding the null hypothesis, we should reject when the p-value is _____________.

• large enough
• even
• small
• negative