Mathematics, 06.04.2021 03:10 emocow
2. P337. 23. A large box contains 10,000 ball bearings. A random sample of 120 is chosen. The sample mean diameter is 10 mm, and the standard deviation is 0.24 mm. True or false: (a) A 95% confidence interval for the mean diameter of the 120 bearings in the sample is 1 β Β±(1.96)(0.24)/ β 120. (b) A 95% confidence interval for the mean diameter of the 10,000 bearings in the sample is 1 β Β±(1.96)(0.24)/ β 120. (c) A 95% confidence interval for the mean diameter of the 10,000 bearings in the sample is 1 β Β±(1.96)(0.24)/ β 10, 000.
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2. P337. 23. A large box contains 10,000 ball bearings. A random sample of 120 is chosen. The sample...
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