A total of 50% of the customers of a fast food chain order a hamburger, French fries, and a drink. If a random sample of 12 cash register receipts is selected, what is the probability that 10 or more will show that the above three food items were ordered?  b. A total of 50% of the customers of a fast food chain order a hamburger, French fries, and a drink. If a random sample of 12 cash register receipts is selected, what is the probability that 6 will show that the above three food items were ordered?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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a. A total of 50% of the customers of a fast food chain order a hamburger, French fries, and a drink. If a random sample of 12 cash register receipts is selected, what is the probability that 10 or more will show that the above three food items were ordered? 

b. A total of 50% of the customers of a fast food chain order a hamburger, French fries, and a drink. If a random sample of 12 cash register receipts is selected, what is the probability that 6 will show that the above three food items were ordered? 

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