Mathematics, 18.02.2020 00:55 lizzlegnz999

David's gasoline station offers 4 cents off per gallon if the customer pays in cash. Past evidence indicates that 40% of all customers pay in cash. During a one-hour period, 15 customers buy gasoline at this station. What is the probability that more than 8 and less than 12 customers pay in cash?

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David's gasoline station offers 4 cents off per gallon if the customer pays in cash. Past evidence i...