Happiness Groups of people aged 15–65 are randomly selected and arranged in groups of six. The random variable x is the number in the group who say that their family and/or partner contribute most to their happiness (based on a Coca-Cola survey).

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X 0 P(x) 0+ 1 0.003 23456 2 0.025 0.111 0.279 0.373 0.208