The school officers consist of two boys ( Conrad and Philip ) and three girls ( Betty, Sarah, and Brenda ). If two officers are
1 answer:
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Answer:
Step-by-step explanation:
Given
Required
This is calculated as:
Since, it is a probability with replacement, we have:
So, we have:
This is a linear equation in x.
So you need to group like terms
Let us group the x terms on the Right Hand Side of the equation and the constant terms on the Left Hand Side.
We can now simplify
Now let us divide both sides by 3.
This implies that
or
Let us our answer
Good we are right
So you need to group like terms
Let us group the x terms on the Right Hand Side of the equation and the constant terms on the Left Hand Side.
We can now simplify
Now let us divide both sides by 3.
This implies that
or
Let us our answer
Good we are right