Blue parakeets
A pet supplier has a stock at parakeets of which 10% are blue parakeets. A pet store orders 3 parakeets from this supplies. If the supplier select the parakeets at random, whats the chance that the pet store gets exactly are blue parakeets?
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The discrete random variable X is the number of students that show up for Professor Smith's office hours on Monday afternoons. The table below shows the probability distribution for X. What is the probability that at least 1 student comes to offic
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On the average, the annual profits are $8000 for each elementary book, $7000 for each intermediate book, and $1000 for each advanced book. How many new books of each type should be published to maximize the annual profit while conforming to compa
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