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Occurs without replacement

Suppose that a company has six plants, which are designated as plant 1, plant 2, ..., plant 6.

a. If sampling occurs without replacement, how many samples of size 3 can be chosen from those plants?

b. List all the possible samples of size 3.

c. What is the probability that plant 2 is included in the sample?

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## Q : Hw

Hw, 1.Using the Z table to find the critical value(s) for each (P 407) a) a = 0.04, left-tailed test b) a = 0.05, two-tailed test c) a = 0.005, right-tailed test 2.Write down the hypo