## Answers

Solution : When ê is not given then we use ľ - 0.5 Given that, - E=0.03 - ² = 1- ² = 0.5 A 95% confidence level the z is 221-0.95 - 0,05 = 0,05 = 0.025 using z table Lobo - 20.025 = 1,96 Sample size = ( 212 J ê (1-2) - adverba * 0.5 (1-05) n = 106711 = 1068 Round to the next Whole number 1068 Answer:

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