Find the interval μ = ²√³ μ+Z within which 95 percent of the sample means would be expected to fall, assuming that each sample is from a normal population. [A (a) μ = 161, o= 12, n = 47. (Round your answers to 2 decimal places.) The 95% range is from The 95% range is from 160.99 to (b) μ = 1,317, o = 21, n = 10. (Round your answers to 2 decimal places.) The 95% range is from to 161.01 (c) μ = 70, o=1, n = 27. (Round your answers to 3 decimal places.) to

MATLAB: An Introduction with Applications
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Find the interval μl - Z+Zwithin which 95 percent of the sample means would be expected to fall,
assuming that each sample is from a normal population.
(a) μ = 161, o= 12, n = 47. (Round your answers to 2 decimal places.)
The 95% range is from
The 95% range is from
160.99 to
(b) μ = 1,317, o = 21, n = 10. (Round your answers to 2 decimal places.)
The 95% range is from
to
161.01
(c) μ = 70, o=1, n = 27. (Round your answers to 3 decimal places.)
to
Transcribed Image Text:Find the interval μl - Z+Zwithin which 95 percent of the sample means would be expected to fall, assuming that each sample is from a normal population. (a) μ = 161, o= 12, n = 47. (Round your answers to 2 decimal places.) The 95% range is from The 95% range is from 160.99 to (b) μ = 1,317, o = 21, n = 10. (Round your answers to 2 decimal places.) The 95% range is from to 161.01 (c) μ = 70, o=1, n = 27. (Round your answers to 3 decimal places.) to
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For 95% confidence interval z=1.96

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