BSEC 11-3 - 2 Claim U>= 750 hours 3 Sample size n=36 4...

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54. 4 16. (0.816, 0.843) >95% CI (0.812, 0.848) > 99% CI 20. (0.090, 0.129) >95% CI (0.084, 0.135) >99% CI Ch 6, topics covered in ch 7 Ho >=,<=, = Ha >, <, Not equal to. 393 41. 1 Population (life spans of all light bulbs produced by the factory) mean, u, is unknown.
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Unformatted text preview: 2. Claim , U >= 750 hours. 3. Sample size, n=36 4. Sample mean x_=745 hours sample std dev s=60 hrs o=-0.02 if z < -Za, reject Ho at a level of significance...
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