An urn has 10 balls that are identical except that 4 are white and 6 are red. a sample of 5 is selected randomly without replacement. what is the probability that exactly 3 are white and 2 are red

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.