The daily sales of a store have a probability distribution with sales of $1000, $2000, $3000, and $4000 occurring with probabilities 0.1, 0.2, 0.4, and 0.3 respectively. What is the variance of the daily sales?

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07-06-2024
Business

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The daily sales of a store have a probability distribution with sales of $1000, $2000, $3000, and $4000 occurring with probabilities 0.1, 0.2, 0.4, and 0.3 respectively. What is the variance of the daily sales?

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