You randomly select 2 marbles from a mug containing 5 blue marbles, 4 red marbles, and 3 white marbles. How many times greater i
s the probability of selecting 2 blue marbles when you replace the first marble before selecting the second marble than when you do not replace the first marble before selecting the second marble? Express your answer as a fraction.
1 answer:
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Answer:
Step-by-step explanation:
First both the rational numbers should have same denominators. So, find least common denominator
Least common denominator is 10
Now multiply the numerator and denominators of the both the numbers by 10.