设随机变量相互独立，，则根据Linderberg-levy CLT, 当n充分大时，Sn近似服从正态分布，只要（ ）。

单项选择题Which accounting concept should be considered if the owner of a business takes goods from inventory for his own personal use? A、The fair presentation concept B、The accruals concept C、The going concern concept D、The business entity concept

单项选择题阅读CAN总线波形图，该CAN总线的传输速率为 A、100Kbit s B、125Kbit s C、500Kbit s D、1Mbit s