Natalie can take one of her three friends with her on a trip to Italy. She can’t decide whom to take. Nick suggests that Natalie use a random number generator to assign numbers 1 through 20 to him, Sarah, and Mike until all the numbers are used. Then Natalie can pick a number from 1 to 20, and that friend will go. Is Nick’s suggestion fair? Explain.
What is the expected number of defective circuit boards for company A? | What is the expected number of defective circuit boards for company B? | Which company should be chosen for purchasing circuit boards? Explain.
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