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At a grocery store, 40% of purchases include milk, 25% of purchases include cereal, and 15%...

At a grocery store, 40% of purchases include milk, 25% of purchases include cereal, and 15% of purchases include both milk and cereal.

What is the probability that a purchase does not include milk nor cereal (i.e., no cereal and no milk)?

Math   Statistics-And-Probability   
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TOPIC:Events and probability.

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