In the author's opinion, how long will Louisiana keep doing "better than most"?
A. It's hard to say until the latest employment figures come out
B. Until May or June
C. For three and a half more years
D. Until February or March
【C17】
A. lead to
B. introduce to
C. travel to
D. disconnect with
【C3】
A. even if
B. when
C. if
D. whenever
原假设H0:某生产过程的不合格品率不大于p0,则第二类错误指的是()。
A. 认为该过程生产的不合格品率大于p0,但实际并不大于p0
B. 认为该过程生产的不合格品率不大于p0,但实际大于p0
C. 认为该过程生产的不合格品率不大于p0。,但实际也不大于p0
D. 认为该过程生产的不合格品率大于p0,但实际也大于p0