【简答题】Everyone has worries. How do you deal with your worries? There is always something you can do to help yourself feel less worried. Sitting there worrying is no fun and it won’t solve your problems. Gra...
【简答题】设某气象站天气预报准确率为0.9,则在3次预报中恰有2次预报准确的概率是______.
【简答题】某气象站经常在电视天气预报节目中,以字幕形式宣布天气预报观众满意率,经常达到百分之十以上,有时甚至到百分之百。某调查公司对此表示怀疑,决定展开调查。调查公司随机调查了500名居民,结果有372人对当天的天气预报节目满意,满意率为74.4%;当天,气象站在电视天气预报节目中宣布的观众满意率为80%。调查公司能否以α=0.05的显著性水平否定气象站的宣布结果?
【简答题】视频采集卡又称(视频捕捉卡)或(视频压缩卡)。按照用途可分为 、 、 。
【简答题】设某气象站天气预报准确率为0.9,则在3次预报中恰有2次预报准确的概率为__________。
【多选题】配送中心的作用主要表现在以下哪些方面?()
【单选题】What was the Princess called?
【单选题】某航站天气预报中的“TEMPO 1901”代表()
【简答题】Everyone has worries. How do you deal with your worries? There is always something you can do to help yourself feel less worried. Sitting there worrying is no fun and it won't solve your problems. Gra...
【单选题】如图所示是中国气象局发布的某地区某天天气预报情况.下列有关该天气温的说法正确的是 ( )