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noname [10]
3 years ago
13

You have a bag of 12 marbles, 5 red, 3 green, 2 yellow & 2 orange. What is the P( red, then orange) WITHOUT replacing the fi

rst marble? Write your answer as a DECIMAL rounded to the nearest hundredth.
Mathematics
2 answers:
Readme [11.4K]3 years ago
6 0

Answer:

Total number of marbles = 12

P (1 red & 1 orange) =

\frac{1 + 1}{12}  \\  =  \frac{2}{12}  \\  =  \frac{1}{6}  \\  = 0.16

8090 [49]3 years ago
3 0

Answer:solution given:

total no of marbles [S]=12

total no of red marbles[R]=5

total no of green marbles[G]=3

total no of yellow marbles[Y]=2

total no of orange marbles[O]=2

now

the P( red, then orange) n[p]=?

we have

n[p]=\frac{n[R]+n[O]}{n[S]}

n[p]=\frac{5+2}{12}

n[p]=\frac{7}{12}

the P( red, then orange) n[p]=\frac{7}{12}

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