Question: Determine the sample size for estimating the true weight of the cereal containers for the universe with N=5,000 on the basis of the following information:

Determine the sample size for estimating the true weight of the cereal containers for the universe with N=5,000 on the basis of the following information:
(i). Variance of weight 4 ounces on the basis of past records.
(ii). Estimate should be within 0.3 ounces of the true average weight with 99% probability.
(3marks)
(b). What would be the sample size if the population above was infinite.(3marks)
(c). Explain how you would employ systematic sampling technique to select the number of respondents estimated in 1(a) above.
(4marks)
(d). Apart from systematic sampling, describe and distinguish any four types of probability sampling procedures giving an illustrative example in each case.
(5marks)

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