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natulia [17]
3 years ago
9

There are 6 brown, 5 blue, and 2 orange marbles in a hat. What is the probability of picking two orange marbles in a row without

returning the marbles back to the hat?
Mathematics
2 answers:
REY [17]3 years ago
7 0

1 ) The numbers total of marbles are 6+2+5 = 13

2)  the probability of  picking two orange marbles is  P = 2/13 = 0.15

pashok25 [27]3 years ago
4 0

The total number of marbles = 6 + 5 + 2 = 13 marbles

Orange= 2 marbles

The probability of getting the first marble out of the hat is

2 / 13

The probability of getting the second marble out of the hat is

1 / 12  The total has been reduced by one  and the number of orange marbles has been reduced by one.

2/13 * 1/12 = 2 / 156 = 1/78

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