Suppose Z is standard normal distributed, please find out P(-1.45 < Z < 2.10) = (1 ) ; P(Z (2) .(精确到小数点后4位) Let t 0 be a specific value of t, please find out P(t>t 0 )=0.025 (where df=11)= (3) ; P(t>t 0 )=0.01 (where df=9)= (4) .(精确到小数点后三位)
【简答题】完型填空。 My mother speaks very good English, but she knows little Japanese. She went _ 1 __ Tokyo on November llth __ 2 _ , a meeting. The meeting was _ 3 on November 15th. _ 4 __ morning she went to a p...