a. The probability that all 4 members on the committee will be girls is (Type an integer or a simplified fraction.)

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To calculate the probability that all 4 members on the committee will be girls, we need to know the total number of members available and how many of them are girls.

Let's denote:
- $$ G $$: the number of girls
- $$ T $$: the total number of members

The probability $$ P $$ that all 4 members selected are girls can be calculated using the formula:

$$
P = \frac{\text{Number of ways to choose 4 girls}}{\text{Total number of ways to choose 4 members}}
$$

The number of ways to choose 4 girls from $$ G $$ girls is given by the combination formula:

$$
\binom{G}{4} = \frac{G!}{4!(G-4)!}
$$

The total number of ways to choose 4 members from $$ T $$ total members is:

$$
\binom{T}{4} = \frac{T!}{4!(T-4)!}
$$

Thus, the probability can be expressed as:

$$
P = \frac{\binom{G}{4}}{\binom{T}{4}} = \frac{\frac{G!}{4!(G-4)!}}{\frac{T!}{4!(T-4)!}} = \frac{G! \cdot (T-4)!}{T! \cdot (G-4)!}
$$

To provide a specific answer, I need the values of $$ G $$ and $$ T $$. Please provide those numbers.
To find the probability that all 4 committee members are girls, you need to know the total number of members and how many of them are girls. The probability is calculated by dividing the number of ways to choose 4 girls by the total number of ways to choose any 4 members. Without specific numbers for girls and total members, I can't give a numerical answer.

a. The probability that all 4 members on the committee will be girls is (Type an integer or a simplified fraction.)

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