Mathematics, 14.04.2020 16:08, fluffypuppies24

Megan conducts a probability experiment. She uses 12 cards. Three are black, 7 are white, and 2 are gray. She randomly picks one of the 12 cards from the box, looks at the color and replaces the card. She repeats this 48 times. How many times can Megan expect to pick a black card?

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Megan conducts a probability experiment. She uses 12 cards. Three are black, 7 are white, and 2 are...