Question
a) Only 20% of certain kinds of seeds germinate when planted under normal conditions. They germinate independently from one another. Suppose that 100 such seeds are planted. Find the probability that exactly 8 seeds germinate.
b) Suppose that 70% of the customers of a fast food chain order French fries. How many of the next twenty customers who place an order are expected to order French fries? Assume that these customers decide independently.
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