The true mean hours of sleep a night of college students in the United States is 6.2 hours. Suppose you want to use a hypothesis test to determine whether the mean hours of sleep a night of BYU-Idaho students is higher than the national mean. Which of the following pairs of hypotheses is the most appropriate for addressing this question?
a) H0:μ=6.2Ha:μ>6.2
b) H0:μ>6.2Ha:μ=6.2
c) H0:μ≠6.2Ha:μ=6.2
d) H0:μ=6.2Ha:μ<6.2
e) H0:μ<6.2Ha:μ=6.2