The probability of getting a red marble is [tex]\dfrac{51}{146}[/tex].
Important information:
- Number of red marbles: 51
- Number of white marbles: 14
- Number of blue marbles: 81
- A marble is randomly selected from the box
Probability:
The total number of marbles in the box is:
[tex]51+14+81=146[/tex]
Probability that the selected marble is red:
[tex]P(\text{Red})=\dfrac{\text{Red marbles}}{\text{Total marbles}}[/tex]
[tex]P(\text{Red})=\dfrac{51}{146}[/tex]
Thus, the probability of getting a red marble is [tex]\dfrac{51}{146}[/tex].
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