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A bag contains 5 green marbles and 8 blue marbles. A dice is rolled, then a marble is chosen at random from the bag .

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What is the question?

The probability is the ratio of the favorable event to the total number of events. The probability of a blue ball is 61.54 %.

What is probability?

Probability means possibility. It deals with the occurrence of a random event. The value of probability can only be from 0 to 1. Its basic meaning is something is likely to happen.

A bag contains 5 green marbles and 8 blue marbles.

Total number of balls will be

→ Total balls = 8 + 5 = 13

A dice is rolled, then a blue marble is chosen at random from the bag. Then the probability will be

→ Favorable event = 8

[tex]\rm P(B) = \dfrac{Favorable \ event}{Total \ event}\\\\P(B) = \dfrac{8}{13}\\\\P(B) = 0.6154 \ or \ 61.54 \ \%[/tex]

More about the probability link is given below.

https://brainly.com/question/795909