It is commonly believed that Wall Street security managers earn an average of $100,000 in bonus each year.At the 5% significance level, test the claim that Wall Street security managers do not earn an average of $100,000 in bonus each year.

Twenty managers were surveyed to ask how much bonus they earned this year.To maintain anonymity, only the P-value from the survey is known: the P-value is0.02.

(1)Is this a two-tailed, left-tailed, or right-tailed test?

(2) State the conclusion of the hypothesis test.

(3) State the reason for your conclusion.