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Question 9 Below is a contingency table from a survey of852adults in the state of Virginia. Happiness Income Not happy Pretty happy Above average 17

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Question 9 Below is a contingency table from a survey of852adults in the state of Virginia. Happiness Income Not happy Pretty happy Above average 17 90 Average 45 265 Below average 31 139 Total 93 494 Select an individual at random. What is the probability that the individual is very happy? (3decimal places) Add your answer Very happy 51 143 71 265 Total 158 453 241 852

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