Letandbe two random variables with CDFsand, respectively. Thenfor allif and only iffor all integers.
第1题
Supposeandare two random variables with CDFsandsuch thatfor all t, then the-quantiles satisfyfor all.
第2题
Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. At the end of each news item, you will be given 10 seconds to answer the questions.
听力原文: Nearly 75 percent of U.S. doctors believe miracles can occur, a new survey says. The survey also found that 72 percent of the 1,100 doctors polled believe that religion provides a reliable and necessary guide to life. Non-Orthodox Jewish doctors are less likely to believe that miracle stories in the Bible are literally true, while more than 53 percent of Orthodox Jewish doctors and 60 percent of Protestant doctors surveyed believe them. The survey of doctors from across the religious spectrum, including Muslim, Hindu and Buddhist doctors, was conducted by HCD Research and the Louis Finkelstein Institute for Religious and Social Studies of the Jewish Theological Seminary.
Which group Polled in the survey doesn't believe in miracles?
A.Non-Orthodox Jewish doctors.
B.Orthodox Jewish doctors.
C.Protestant doctors.
D.Buddhist doctors.
第3题
Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. At the end of each news item, you will be given 10 seconds to answer the questions.
听力原文: Nearly 75 percent of U.S. doctors believe miracles can occur, a new survey says. The survey also found that 72 percent of the 1,100 doctors polled believe that religion provides a reliable and necessary guide to life. Non-Orthodox Jewish doctors are less likely to believe that miracle stories in the Bible are literally true, while more than 53 percent of Orthodox Jewish doctors and O0 percent of Protestant doctors surveyed believe them. The survey of doctors from across the religious spectrum, including Muslim, Hindu and Buddhist doctors, was conducted by HCD Research and the Louis Finkelstein Institute for Religious and Social Studies of the Jewish Theological Seminary.
Which group polled in the survey doesn't believe in miracles?
A.Non-Orthodox Jewish doctors.
B.Orthodox Jewish doctors.
C.Protestant doctors.
D.Buddhist doctors.
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