Q. A null hypothesis can only be rejected at the 5% significance level if and only if— (Solved)
1. a 95% confidence interval includes the hypothesized value of the parameter
2. a 95% confidence interval does not include the hypothesized value of the parameter
3. the null hypothesis is void
4. the null hypotheses includes sampling error
- b. a 95% confidence interval does not include the hypothesized value of the parameter