FastMart, a convenience store chain, is planning to add pancake syrup to the items it sells. FastMart stores do not have shelf space to stock more than one variety of syrup. Surveys of FastMart customers indicate that one-fourth of them prefer low-calorie syrup, while three-fourths prefer regular syrup. Since FastMart's highest priority is to maximize sales, the obvious strategy for it is to stock regular syrup.
Which of the following, if true, most seriously weakens the argument?
People buying pancake syrup at convenience stores, those buying it at supermarkets, generally buy it only a few times.
People who prefer low-calorie syrup generally use about the same amount of syrup on their pancakes as those who prefer regular syrup.
Regular syrup does not sell for a higher price per unit than low-calorie syrup.
In general, customers who prefer regular syrup buy low-calorie syrup if regular is unavailable, but those who prefer low-calorie will not buy regular syrup.
Sales of syrup are not expected to account for a large proportion of total dollar sales at the average FastMart store.
background:商店的货架只放得下一种糖浆
有1/4的消费者喜欢低卡路里糖浆,3/4的消费者喜欢常规糖浆。因此为了最大化销售量,商店应该卖常规糖浆。问weaken
choice b, 用低卡路里糖浆的消费者用量和用常规糖浆的消费者一样。strengthen the conclusion
choice c, 常规糖浆并不会卖得比低卡路里糖浆贵。strengthen
choice d, 喜欢常规糖浆的消费者在缺货的情况下会去买低卡路里糖浆,但是喜欢低卡路里的消费者在缺货的时候不会去买常规糖浆。correct,说明其实低卡路里的潜在消费者数量不止1/4的消费者,而是全部的糖浆消费者。而常规糖浆的潜在消费者就是3/4全部消费者
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