A surrogate key is an artificial column that is added to a relation to be its primary key
Indicate whether the statement is true or false
TRUE
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Which of the following is not correct regarding prior service costs?
A. A corridor concept similar to that for actuarial gains and losses is used for prior service. B. Unlike the minimum amortization method for actuarial gains or losses, there is no corridor concept for prior service cost amortization. C. They result from retroactive changes to a pension plan. D. They can result in either an increase or decrease in the pension benefit obligation.
________ from your office left ________ keys at the reception desk
A) Some one, their B) Some one, his or her C) Someone, their D) Some one, his E) Someone, his or her
How should a group leader keep a meeting progressing effectively?
A) Engage in most of the talking to ensure that the meeting ends on time. B) Allow group members to digress on a topic because other topics may be beneficial to explore. C) Discourage members who monopolize the discussion. D) Summarize only at the end of the meeting.
The random variable x is the number of occurrences of an event over an interval of 10 minutes. It can be assumed the probability of an occurrence is the same in any two time periods of an equal length. It is known that the mean number of occurrences in 10 minutes is 5.3 . The probability there are 8 occurrences in 10 minutes is _____
a. .0241 b. .0771 c. .1126 d. .9107