Respuesta :

Answer:

.278

Step-by-step explanation:

There are 9 coins

P (nickel) = number of nickels/ total

                = 5/9

Keeping the coin

We now have 8 coins, 4 nickels and 4 dimes

P (nickel) = number of nickels/ total

                = 4/8 = 1/2

P(nickel, keep, nickel) = 5/9* 1/2 = 5/18=.2777777777

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