Question

A bag contains 3 red marbles and 4 white marbles. Two marbles are drawn in succession without replacement. Find the probabilities of the following events:
1. The first marble drawn is red and the second is white.
Answer:
2. Both marbles drawn are red.
Answer:

Answer 1

Answer:

1. 12/49

9/49

Step-by-step explanation:

total 7 marbles

when two events happen you times the probability of them happening individual together

the probability of drawing red times prob of drawing white= total probability

3/7 times 4/7= 12/49

both red = 3/7 times 3/7 = 9/49

place into calculator if you want decimal and times by 100 if you want percentage

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