改进题：It is generally agreed that organizations with effective managers will likely be successful, whereas organizations with poor managers will likely fail.

译文：人们普遍认为，高效胜任的管理人员能增大公司成功的可能性，管理人员能力低下增大公司失败的可能性。

改进题：It is generally agreed that organizations with effective managers will likely be successful, whereas organizations with poor managers will likely fail.

译文：人们普遍认为，高效胜任的管理人员能增大公司成功的可能性，管理人员能力低下增大公司失败的可能性。

改进的译文：人们普遍认为，拥有高效胜任的管理人员，公司成功的可能性更大，而管理人员能力低下的公司则大多会失败。