Question: Find the minimum sample size n needed to estimate u for the given values of c, o, and E. c=0.90, o = 7.2, and E=2

Find the minimum sample size n needed to estimate u for the given values of c, o, and E. c=0.90, o = 7.2, and E=2 . Assume that a preliminary sample has at least 30 members. n= (Round up to the nearest whole number.)

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