Week 4 stats 1 - C) If the trash bag manufacturer hopes to...

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I did not attempt this problem last week, so here goes: 7.37A) 1.62 / sqrt 5 = 0.7244 Interval = 50.6+/- 2*0.7244 = (49.1512 to 52.0448) B) 1.62 / sqrt 40 = 6.32456 Interval = 50.6+/- 2*0.0512288= (50.548772 to 50.651228)
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Unformatted text preview: C) If the trash bag manufacturer hopes to gain a sample mean that is a LEAST 50, he should use the sample size n= 40 because the interval does not include a ranger lower than 50....
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