Veterinarians Suspect That Enteroliths (Calcifications in the Gut of Horses)

question 45

Multiple Choice

Veterinarians suspect that enteroliths (calcifications in the gut of horses) are related to diet-in particular, alfalfa. To investigate this suspicion, a group of veterinarians collected information on the diet of horses and whether the horses developed enteroliths. The table below displays the findings (a case is a horse with enteroliths, a control is without enteroliths) . The probability that a randomly selected horse is fed more than 50% alfalfa, given that it has enteroliths, is:

• A)0.2.
• B)0.23.
• C)0.08.
• D)0.4.

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