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Sagot :
Answer:
4/13 is the answer
total = 4+3+5+1= 13
let a be the event of getting red marbles= total is 4
probability=4/13
given,
number of red marbles = 4
number of blue marbles = 5
number of green marbles = 3
number of yellow marbles = 1
total number of marbles = 4 + 5 + 3+1 = 13
Probability of pulling a red marble is ,
P (red marble ) = number of red marbles/total number of marbles
P(red) = 4/13
Hence ,
As a fraction the probability is 4/13
As a decimal , the probability is 4/13 = 0.307
And as a percent , probability = 4/3 x 100 = 30.7
number of red marbles = 4
number of blue marbles = 5
number of green marbles = 3
number of yellow marbles = 1
total number of marbles = 4 + 5 + 3+1 = 13
Probability of pulling a red marble is ,
P (red marble ) = number of red marbles/total number of marbles
P(red) = 4/13
Hence ,
As a fraction the probability is 4/13
As a decimal , the probability is 4/13 = 0.307
And as a percent , probability = 4/3 x 100 = 30.7
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