Respuesta :

Answer:

Step-by-step explanation:

There are 7 letters in algebra. Two of them are "A"

The probability of choosing "A" on the first try is [tex]\frac{2}{7}[/tex]

Assuming you remove the letter after choosing it:

If you remove the A, then the second time around you have 6 letters with one of them being A

So, your chances of picking A is [tex]\frac{1}{6}[/tex]

Multiply the probabilities together.

[tex]\frac{2}{7} *\frac{1}{6} =\frac{2}{42} =\frac{1}{21}[/tex]

Assuming you don't remove the letter after choosing it:

You have the same probability again, [tex]\frac{2}{7}[/tex]

Square the probability:

[tex](\frac{2}{7})^2 =\frac{4}{49}[/tex]