Bunuel wrote:
Note: Each shaded cell is the intersection of a benefit column and an incentive row and contains the number of companies (out of the 600 surveyed) that offer both that benefit and that incentive. For example, 195 of the companies surveyed offer both a disability-insurance benefit and a profit-sharing incentive.
The ratio of the number of companies offering both a stock-options incentive and one of the benefits listed to the number of companies offering that benefit is greatest for which of the five benefits?
A. Health insurance
B. Flex-time
C. Disability insurance
D. Tuition
E. Telecommuting
The chart displays joint events in the shaded region. For example, the number of companies that offer both stock options and health insurance is 60, and the number of companies that offer both profit-sharing and tuition is 186. The question is asking us to concentrate on the row concerning stock options.
Choice A. We are asked to first determine the number of companies that offer both stock options and health insurance. We find the intersection of the row for stock options and the column for health insurance, and we see that the number of companies that offer
both of these is 60. Now, we are to create the ratio of the number just found (60) with the number of companies offering
health insurance, which is 588. Thus, the first ratio is 60/588 = 0.102.
Choice B. The number of companies offering
both stock options and flex-time is 41. The number of companies that offer
flex-time is 426. Thus, the ratio is 41/426 = 0.096.
Choice C. The number of companies offering
both stock options and disability insurance is 44. The number of companies that offer
disability insurance is 387. Thus, the ratio is 44/387 = 0.114.
Choice D. The number of companies offering
both stock options and tuition is 41. The number of companies that offer
tuition is 303. Thus, the ratio is 41/303 = 0.135.
Choice E. The number of companies offering
both stock options and telecommuting is 24. The number of companies that offer
telecommuting is 207. Thus, the ratio is 24/207 = 0.116.
Thus, the ratio is greatest for choice D.
Answer: D _________________
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