A jar of coins contains 8 pennies, 5 nickels, 12 dimes, 7 quarters. you choose a coin at random, do not replace it, and then cho

ose another coin. what is probability of choosing a dime first and quarter second

1 answer:

6 0

$|\Omega|=32\cdot31=992\\
|A|=12\cdot7=84\\\\
P(A)=\dfrac{84}{992}=\dfrac{21}{248}\approx8.5\%$

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