5 A total of 60 of the customers of a fast food chain order

5. A total of 60% of the customers of a fast food chain order a hamburger, French tries, and a drink If a random sample of 15 cash register receipts Is selected, what is the probability that or more will show that the above three food Items were ordered? A. 0.403 8. 0.186 C. 1.000 D. 0.000

Answer A) 0.403

use the excel function =1-BINOMDIST(9,15,0.6,1)