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i eztamheducationmom C: | o T IIIJ E [=_J _2 8-3 Homework: Chapter B (Sections BA through 5.6) 0 Saved Help Save at Exit Submit 1 Concerns about climate change and C02 reduction have Initiated the commercial production of blends of biodiesel (e.g., from renewable sources) and petrodiesel {from fossil fuel]. Random samples of 39 blended fuels are tested in a lab to ascertain the bioftotal carbon ratio. 5 POMS (a) lfthe true mean is .9350 with a standard deviation of 0.0060, within what interval will 98 percent ofthe sample means fall? (Round your answers to 4 decimal places.) g The interval is from to em {2} lithe true mean is .9350 with a standard deviation of 0.0060. what ls the sampling distribution of X 9 ? Hint 1. Exactly normal with [.t = .9350 and cr = 0.0060. . 2. Approximately normal with pt = .9350 and D' = 0.0050. 3. Exactly normal with [.t= .9350 and Ask a; = 0.0060 IVE. _ 4. Approximately normal with it = .9350 and '5' a; = 0.0060 N33. Prim Fl My\"... 01 O 2 O 3 O 4 (c) What theorem did you use to answer part (b)? a Next >