o Out of a population of 1,000 light bulbs, we randomly selected 100 of which 30 were defective. What sample size is needed to be
o Out of a population of 1,000 light bulbs, we randomly selected 100 of which 30 were defective. What sample size is needed to be within 1 0.05 with 90% condence? (a) As the population proportion is unknown, use the sample value (b) Now, set 17 = 0.50 and compare the result with (a)
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