单选题An electrical appliance company has submitted a new model of washing machine for stress and durability testing. After the conventional round of tests, 26 of the 90 machines tested no longer functioned. Observing these results, the company determined that the washing machine model was acceptable for the consumer market. Which of the following, if true, most strongly supports the company’s decision regarding the washing machine?AWhen the number one rated washing machine was submitted for stress and durability testing, 96 out of 100 machines were still functioning at the end of the test.BBecause of the extreme stress of the testing process, any model that has more than two-thirds of its machines functioning at the end of the test process is considered sufficiently durable for the consumer market.CMost consumers will tolerate a washing machine that functions only 64 times out of 90 attempts.DAlthough the model tested is less durable than other models on the market, its projected price is considerably lower than that of the most durable models.EThe electrical failure that brought down most of the 26 washing machines that ceased functioning could probably be avoided if the machine were redesigned.
单选题
An electrical appliance company has submitted a new model of washing machine for stress and durability testing. After the conventional round of tests, 26 of the 90 machines tested no longer functioned. Observing these results, the company determined that the washing machine model was acceptable for the consumer market. Which of the following, if true, most strongly supports the company’s decision regarding the washing machine?
A
When the number one rated washing machine was submitted for stress and durability testing, 96 out of 100 machines were still functioning at the end of the test.
B
Because of the extreme stress of the testing process, any model that has more than two-thirds of its machines functioning at the end of the test process is considered sufficiently durable for the consumer market.
C
Most consumers will tolerate a washing machine that functions only 64 times out of 90 attempts.
D
Although the model tested is less durable than other models on the market, its projected price is considerably lower than that of the most durable models.
E
The electrical failure that brought down most of the 26 washing machines that ceased functioning could probably be avoided if the machine were redesigned.
参考解析
解析：
该公司的产品不合格率为26/90，小于1/3，故B项最能支持公司的决定，所以本题选B项。
该公司的产品不合格率为26/90，小于1/3，故B项最能支持公司的决定，所以本题选B项。
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