12/01/22

Expected value question

Dr. Smith asked ten of his students how much cash they were carrying. The responses in dollars were: 0, 25, 10, 40, 20, 20, 40, 35, 0, 100.In an uncharacteristic act of generosity, Smith then gives... more

11/28/22

Probability question

Krystal and Julio each purchase one raffle ticket. If a total of sixteen raffle tickets are sold, what is the probability that Krystal wins the grand prize and Julio wins the second prize?

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