Question

What is the probability notation for the probability for choosing a green marble?

Answer 1

The probability notation for the probability for choosing a green marble is $P(G)=\frac{n(G)}{n(T)}$, where $n(G)$ denotes the number of green marbles and $n(T)$ denotes the number of total marbles in the bag (or from wherever we are choosing).

The probability of occurrence of an event is the ratio of the number of favorable outcomes and the total number of outcomes, where the favorable outcomes are the outcomes that implies the occurrence of the event.

Here, the event is "choosing a green marble". So, the number of green marbles in the bag is the number of favorable outcomes and the total number of marbles in the bag is the total number of outcomes.

Denoting $G$ as the event of "choosing a green marble", the notation $P(G)$ denotes the probability of event $G$, that is, probability of choosing a green marble.

Denoting $n(G)$ and $n(T)$ as the number of green marbles and total number of marbles respectively, by the definition, the probability notation for the probability for choosing a green marble is given as $P(G)=\frac{n(G)}{n(T)}$.

Learn more about probability notation here:

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