You are asked to perform a hypothesis test that population mean is greater than 75. Which of the following is the correct statement of the null and alternative hypotheses for this test?
a H0: µ ≤ 75 H1: µ > 75
b H0: µ > 75 H1: µ ≤ 75
c H0: µ ≥ 75 H1: µ < 75
d H0: µ ≠ 75 H1: µ > 75