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Aneli [31]
3 years ago
7

A box has 1 red marble, 1 blue marble, and 4 green marbles of the same shape and size. Dan draws a marble randomly from the box,

replaces it, and then draws another marble randomly. What is the probability of drawing two green marbles in a row? Explain your answer.
Mathematics
2 answers:
andrezito [222]3 years ago
4 0
Well, he has a 4/6 or 2/3 chance of pulling a green marble. Drawing a second marble would make it another 2/3 chance. So he would have a 4/6 chance since 2/3 + 2/3 = 4/6.
ELEN [110]3 years ago
4 0

The probability of drawing two green marbles in a row is 12/30, this is because when you draw the first green marble, you are losing a marble, so after that, the chances of drawing a green marble is smaller.

The Equation: 4/6 * 3/5 = 12/30 = 0.4 = 40%

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Since their sum is 84, our equation reads x + (x + 1) + (x + 2) = 84.

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