etzzz32561
19.03.2020 •
Mathematics
A random sample of 25 items is drawn from a population whose standard deviation is known to be σ = 40. The sample mean is x− = 270. (a) Construct an interval estimate for μ with 95 percent confidence. (Round your answers to 2 decimal places.) The 95% confidence interval is from to (b) Construct an interval estimate for μ with 95 percent confidence assuming that n = 50. (Round your answers to 2 decimal places.) The 95% confidence interval is from to (c) Construct an interval estimate for μ with 95 percent confidence assuming that n = 100. (Round your answers to 2 decimal places.) The 95% confidence interval is from to (d) Describe how the confidence interval changes as n increases. Width increases as n increases. Width decreases as n increases.
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Ответ:
-4^0, 2^-3, (-3)^0, 5^1
Step-by-step explanation:
2^-3= 1/8 (the same as 0.125)
(-3)^0= 1
-4^0= -1
5^1 = 5
these numbers from lowest to largest would be -1, 0.125 (1/8), 1 and finally 5
making the answer -4^0, 2^-3, (-3)^0, 5^1