A buzzer sounds every 15 minutes. If the buzzer sounded at 12:40, which of the following could be a time at which the buzzer sounded?
E.8:10

未分类题The odds that a certain event will occur is the ratio of the probability that the event will occur to the probability that it will not occur. If the odds that Pat will win a prize are 4 to 3, what is the probability that Pat will not win the prize?E.1 7

未分类题The odds in favor of winning a game can be found by computing the ratio of the probability of winning to the probability of not winning. If the probability that Pat will win a game is 4 9 , what are the odds that Pat will win the game?A.4 to 5B.4 to 9C.5 to 4D.5 to 9E.9 to 5

未分类题If the total amount of faculty salaries in 1980 was paid from tuition income, approximately how much of each student's tuition was used to pay faculty salaries?E.$3700

判断题非专业人员在变电所工作时，若设备不需停电，由变电所所长负责做好电气方面的安全措施，向有关作业负责人讲清安全注意事项，并记录在值班日志或有关记录中， 双方签认后方准开工。

未分类题What can we know about the origin of 'tip'?A.It originated from the English inn servicE.B.The original purpose of tip was to ensure that waiter could get more money.C.The waiter threatened the customers with bad service if no tips were given.D.It originated in a small English villagE.