問題詳情

231. A company’s annual profit, in billions, has a normal distribution with variance equal to
the cube of its mean. The probability of an annual loss is 5%.


Calculate the company’s expected annual profit.
(A) 370 million
(B) 520 million
(C) 780 million
(D) 950 million
(E) 1645 million

參考答案

答案:A

統計:A:0,B:0,C:0,D:0,E:0

難度:計算中