连续报道类电视新闻
电视新闻的连续报道是对正在发展中的新闻事件进行及时而又持续的报道,它是电视新闻对重要事态作深入或者追踪报道的一种方式。P391
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上一篇:某水泥厂用自动包装机包装水泥,每袋水泥重量服从正态分布,当包装机正常工作时,每袋水泥的平均重量为50kg,某日开工后随机抽取9袋,测得样本均值为49.9kg,样本标准差为s=0.3kg,问当日水泥包装机工作是否正常?(显著性水平α=0.05)Understanding the Text Choose the best answer for each of the following questions according to the text.What are computers?1.Since their first appearance on earth, men have gathered information and have attempted to pass useful ideas to other
某水泥厂用自动包装机包装水泥,每袋水泥重量服从正态分布,当包装机正常工作时,每袋水泥的平均重量为50kg,某日开工后随机抽取9袋,测得样本均值为49.9kg,样本标准差为s=0.3kg,问当日水泥包装机工作是否正常?(显著性水平α=0.05)Understanding the Text Choose the best answer for each of the following questions according to the text.What are computers?1.Since their first appearance on earth, men have gathered information and have attempted to pass useful ideas to other