In a Smart Takeaways restaurant, an average of 6 out of 10 customers will ask for an extra tissue. A sample of 12 customers are selected randomly, find the probability that exactly 4 asks for an extra tissue.
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first of all try yourself by help of examples dont be dependent on anyone in your exam no one will help you if then also you are anable to solve then ask me again and again till you do not understand how to solve
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