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问题 选择题

我省极度缺水，我们要保护好水资源。下列做法可能会造成水污染的是 [ ]

A．生活污水经处理后排放

B．在水库周边兴建造纸厂

C．合理使用农药和化肥

D．禁止含磷洗涤剂的使用

答案

答案：B

单项选择题

松饼的面团软硬度比裹入用油脂的软硬度应为（）

A.较硬

B.硬度一致

C.较软

D.无关，则能达到最佳效果
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单项选择题

Alan Mulally, CFA, is a securities analyst covering IT industry. Mulally finds that 10% of companies he follows filed for bankruptcy. Mulally then conducts a bankruptcy scoring test on all companies and finds that:
·70% of companies passed the test, and
·75% of companies passed the test, given they did not file for bankruptcy.
Using Bayes' formula, given it passed the test, the probability a company filed for bankruptcy is closest to:（）

A. 3.33%

B. 3.57%

C. 8.33%
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