Eaten tuna casserole from the canteen

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In a large department, it was discovered that, out of 64 people who have disease X, 48 had eaten tuna casserole from the canteen.

Further investigation found that the same department also has 60 people who do not have disease X, although 20 of those had eaten tuna casserole from the canteen.

What is the odds ratio of having disease X (for those who have eaten tuna casserole, relative to those who have not eaten)?

Reference no: EM132332020

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