A random sample of 330 people showed that 120 people like Italian food, 210 people like Mexican food, and 220 people like American food. If 60 like both Italian and Mexican, 75 like both Italian and American, and 100 like both Mexican and American, how many people like all three?

Q: What is the correct answer ? I have to show work.

A: Given Information: Sample size (n) = 22  Mean (u) = 12 Standard deviation (s) = 5.4

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A:

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