What is the decision for this point-biserial correlation at a .05 level of signifi cance?

a. Fail to reject the null hypothesis; being in lively compared to a dull waiting room is not related to perceived quality of care.

b. Reject the null hypothesis; patients perceive a higher quality of care when they wait in a lively compared to a dull waiting room.

c. Reject the null hypothesis; patients perceive a higher quality of care when they wait in a dull compared to a lively waiting room.