32 percent of the customers of a fast food chain order the Whopper, French fries and a drink. A random sample of 10 cash registe
r receipts is selected. What is the probability that eight receipts will show that the above three food items were ordered?
1 answer:
Answer: 0.0023
Step-by-step explanation:
Let X be the binomial variable that represents the number of receipts will show that the above three food items were ordered.
probability of success p = 32% = 0.32
Sample size : n= 10
Binomial probability function :
Now, the probability that eight receipts will show that the above three food items were ordered :

hence, the required probability = 0.0023
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