A researcher is conducting a study about the effect of physical exercise on cholesterol levels in patients with hyperlipidemia. The hypotheses of the study are as follows: H0: No effect of physical exercise on cholesterol levels H1: Physical exercise decreases cholesterol levels At which alpha level will the researcher report significance at 95% confidence interval? Question 5 options: Two-tailed p value (p<0.01) One-tailed p value (p<0.01) One-tailed p value (p<0.05) Two-tailed p value (p<0.05)