Complete the mcq:
Q1) Which of the following would be the correct hypotheses for testing the claim that the mean life of a battery for a cellular phone (while the phone is left on) is less than 24 hours?
A. H0: μ ≥24 and Ha: μ < 24
B. H0: μ= 24 and Ha: μ ≠ 24
C. H0: μ ≤24 vs. Ha: μ > 24
D. H0: μ > 24 vs. Ha: μ≥ 24
Q2) Which of the following would be the alternative hypothesis in testing the claim that the mean distance students commute to campus is no more than 8.2 miles?
A. Ha: μ≠ 8.2
B. Ha: μ > 8.2
C. Ha: μ < 8.2
D. Ha: μ ≤ 8.2