Chapter 4: Q. 33 (page 285)
What does the column "P(x)" sum to and why?
The sum of the probabilities sum to one because it is a probability distribution.
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For the given values of the random variable X, fill in the corresponding probabilities
Use the following information to answer the next six exercises: On average, a clothing store gets customers per day.
What is the probability of getting customers in one day?
The probability of a defective steel rod is Steel rods are selected at random. Find the probability that the first defect occurs on the ninth steel rod. Use the calculator to find the answer.
Find the standard deviation.
A palette has 200 milk cartons. Of the 200 cartons, it is known that ten of them have leaked and cannot be sold. A stock clerk randomly chooses 18 for inspection. He wants to know the probability that among the 18, no more than two are leaking. Give five reasons why this is a hypergeometric problem.
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