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There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. If Joe picks 2 marbles one after the other without replacement, then what is the probability that both are red in color?

Sagot :

The probability that both marbles will be a red color is:
 
    6.....    ⇔ number that satisfies the constraint
_____
   15.....    ⇔ number of outcomes

The probability that both are red in color is 1/7

What is probability

Probability is the likelihood or chance that an event will occur.

Probability = Expected outcome/Toal outcome

Given that there are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag, the total number of marbles will be 6 + 5 + 4 = 15

If Joe picks 2 marbles one after the other without replacement, the probability that both are red in color will be:

Pr(both red) = 6/15 * 5/14

Pr(both red) = 30/210

Pr(both red) = 1/7

Hence the  probability that both are red in color is 1/7

Learn more on probability here: https://brainly.com/question/24756209