2/5 or 2 out of 5 (40% chance)
1
The probability is 0.56
20% (or 2 in 10 chance)
3 in 10
Suppose probability of drawing a red marble is p. Then p = 2*(1 - p) that is p = 2 - 2p or p = 2/3 So 2/3 of the 24 marbles are red 24*(2/3) = 16 red marbles.
The probability is 0.3692
probability is a math goodie. like two to four. if you have four marbles in a bag and two are red and two are purple then what is the probability? the answer is fifty to fifty or two two four.
1
The probability is 0.56
It is 1248/57120 = 13/595 = 0.0218 approx.
0No blue marbles in the bag.
The probability depends on the availability of marbles of those colours to the person making up the bag.
20% (or 2 in 10 chance)
3 in 10
The probability is 2/15.
7
It is 0.2