Ask Question
13 December, 19:26

David's gasoline station offers 4 cents off per gallon if the customer pays in cash and does not use a credit card. Past evidence indicates that 40% of all customers pay in cash. During a one-hour period, 15 customers buy gasoline at this station.

(a) What is the probability that more than 8 and less than 12 customers pay in cash?

+3
Answers (1)
  1. 13 December, 20:25
    0
    0.09312

    Step-by-step explanation:

    15C9*0.4⁹*0.6⁶ + 15C10*0.4¹⁰*0.6⁵ * 15C11*0.4¹¹*0.6⁴

    0.09311963893
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “David's gasoline station offers 4 cents off per gallon if the customer pays in cash and does not use a credit card. Past evidence indicates ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers