A sample of size n=50 is taken from the production of lightbulbs at a certain factory....

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math Statistics-And-Probability

Answer 1

Answer #1

@n= 50, 2=1570, 5 = 120, c-95% Z=1.96 margin of error, E = 7.5% = 1,90 x 120 / 550 33.26 :.CI: Ž IE = (15705 33.26) 1536,74 E

Answer 2

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