A confidence interval for a sample is given followed by several hypotheses to test using that sample In each case use the confidence interval to give a conclusion of the test if possible and also state the significance level you are using a Ho p 0 5 vs Ha p0 5 Conclusion Significance level b Ho p 0 78 Conclusion Significance level Conclusion 90 5 10 Conclusion 1 99 95 Significance level Ho b Ho p 0 78 vs Ha p 0 78 0 78 Significance level Ho A95 confidence interval for p 0 47 to 0 72 c Ho p 0 32 vs Ha p 0 32 Ho Ho