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05-11-2018
Mathematics

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Kevin has 18 coins in his penny jar inside he had 9 quarters 4 dimes 2 nickels and the rest were pennies if he randomly selected one from the jar and without replacing it select another one what is the probability that both coins selected were pennies

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kishonwinston kishonwinston

05-11-2018

Answer:

Prob = 1.96%

Step-by-step explanation:

p = pennies

t = total

total Prob = Prob1*Prob2

P1 = # pennies/total

P2 = new #/new total

total Prob = (p/t)*((p-1)/(t-1))

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