If n-29, 7(x-bar)-35, and s-7, construct a confidence interval at a 90% confidence level. Assume the data came from a normally distributed population.
Q: If n- 22, - 44, and s 12, construct a confidence interval at a 95% confidence level. Assume the data…
A: Solution We solve it by using excel
Q: If n = 10, ¯xx¯ = 43, and s = 8, construct a confidence interval at a 90% confidence level. Assume…
A: Since population standard deviation is unknown, Use t-distribution to find t-critical value. Find…
Q: If n-25, -46, and s-5, construct a confidence interval at a 95% confidence level. Assume the data…
A: Givenn=25x=46s=5confidence level = 95%
Q: If n = 15, 43, and s = 9, construct a confidence interval at a 98 % confidence level. Assume the…
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Q: If n=32, ¯xx¯(x-bar)=49, and s=11, construct a confidence interval at a 90% confidence level. Assume…
A: If n=32, x¯(x-bar)=49, and s=11, construct a confidence interval at a 90% confidence level. Assume…
Q: If n=22, ¯xx¯(x-bar)=45, and s=4, construct a confidence interval at a 90% confidence level. Assume…
A: Ans - Given the level of confidence interval 90 % Then α = 1 - 0.90 =…
Q: If n = 220,p = 0.4,then what will be the 87.4% confidence interval for the population proportion?
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Q: If n=31, ¯xx¯(x-bar)=34, and s=11, construct a confidence interval at a 90% confidence level. Assume…
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Q: If n=14, (x-bar)=37, and s=7, construct a confidence interval at a 98% confidence level. Assume the…
A: Given,n=14x¯=37s=7degrees of freedom(df)=n-1df=14-1=13α=1-0.98=0.02α2=0.01t0.01(13)=2.650 (from…
Q: If n=10, ī(x-bar)=37, and s=19, construct a confidence interval at a 95% confidence level. Assume…
A: From the provided information, Sample size (n) = 10 Sample mean (x̄) = 37 Standard deviation (s) =…
Q: If n=31, (x-bar)=49, and s=3, construct a confidence interval at a 80% confidence level. Assume the…
A: Given, Sample size = 31 Sample mean = 49 Sample standard deviation = 3 Since the population…
Q: If n 19, x =40, and s = 20, construct a confidence interval at a 80% confidence level.
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Q: If n=15, ¯xx¯(x-bar)=30, and s=2, construct a confidence interval at a 98% confidence level. Assume…
A: Given Sample size n = 15 degree of freedom = n-1 =14 x the level of confidence interval 98 %…
Q: If n=28, a(x-bar)=36, and s=17, construct a confidence interval at a 98% confidence level. Assume…
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Q: If n = 24, = 47, and s = 10, construct a confidence interval at a 98% confidence level. Assume the…
A: Sample mean = 47Sample size = 24Sample standard deviation = 1098% confidence level
Q: If n=24, x(x-bar)%=D30, and s=7, construct a confidence interval at a 98% confidence level. Assume…
A: The random variable X follows normal distribution. The sample size is 24. The sample mean is 30. The…
Q: If n = 16, 7 = 43, and s = 17, construct a confidence interval at a 98% confidence level. Assume the…
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Q: If n=10, a(x-bar)=48, and s=7, construct a confidence interval at a 99% confidence level. Assume the…
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Q: If n=13, (x-bar)=43, and s=7, construct a confidence interval at a 99% confidence level. Assume the…
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Q: If n=19, ¯xx¯(x-bar)=37, and s=13, construct a confidence interval at a 99% confidence level. Assume…
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Q: If n=12, (x-bar)=33, and s=16, construct a confidence interval at a 80% confidence level. Assume the…
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Q: If n=24, ¯xx¯(x-bar)=49, and s=9, construct a confidence interval at a 80% confidence level. Assume…
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Q: If n = 20, = 43, and s = at a 90% confidence level. Assume the data came from a 4, construct a…
A: From the provided information, Sample size (n) = 20 Sample mean (x̄) = 43 Standard deviation (s) = 4
Q: If n = 17, ¯xx¯ = 33, and s = 6, construct a confidence interval at a 99% confidence level. Assume…
A: We have, If n = 17, x¯ = 33, and s = 6, alpha=1-0.99= 0.01 Therefore Degrees of freedom= n-1=16…
Q: If n=22, ¯xx¯(x-bar)=38, and s=13, construct a confidence interval at a 80% confidence level. Assume…
A: The data provided is- x-bar = sample mean = m = 38 s = standard deviation = 13 n = sample mean = 22…
Q: If n=22, ē(x-bar)=42, and s=19, construct a confidence interval at a 80% confidence level. Assume…
A: Solution: From the given information, n=22, x-bar=42 and s=19.
Q: If n=17, ¯xx¯(x-bar)=41, and s=13, construct a confidence interval at a 99% confidence level. Assume…
A: Sample mean = 41 Sample standard deviation = 13 Sample size = 17 99% confidence level
Q: If n = 28, a = 38, and s = 17, construct a confidence interval at a 99% confidence level. Assume the…
A: As given: n =28 x¯=38 s = 17 It is asked to construct a confidence interval at a 99% confidence…
Q: If n=30, 7(x-bar)=49, and s=14, construct a confidence interval at a 99% confidence level. Assume…
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Q: If n=23, ¯xx¯(x-bar)=48, and s=2, construct a confidence interval at a 99% confidence level. Assume…
A: Solution-: Given: x¯=48,n=23,s=2,c=0.99 We construct C.I. at a 99% confidence level.
Q: If n=15, ¯xx¯(x-bar)=40, and s=9, construct a confidence interval at a 98% confidence level. Assume…
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Q: If n=14, (x-bar)=46, and s=18, construct a confidence interval at a 80% confidence level. Assume the…
A: Since population standard deviation is unknown, Use t-distribution to find t-critical value. Find…
Q: If n=21, a(x-bar)=38, and s=2, construct a confidence interval at a 99% confidence level. Assume the…
A: Given: n= 21.0 , x̄= 38.0 s= 2.0 degree of freedom=n-1= 20.0 At 99.0 % confidence level with d.o.f.=…
Q: If n=21, (x-bar)=34, and s=8, construct a confidence interval at a 98% confidence level. Assume the…
A: Here, mean is 34 and standard deviation is 8. Sample number is 21. We will use one sample t…
Q: If n=25, z-46, and s=5, construct a confidence interval at a 95% confidence level. Assume the data…
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Q: If n=19, ¯xx¯(x-bar)=38, and s=8, construct a confidence interval at a 90% confidence level. Assume…
A: Given, Sample size = 19 Sample mean = 38 Sample standard deviation = 8 Since the population…
Q: If n=19, ¯xx¯(x-bar)=42, and s=7, construct a confidence interval at a 95% confidence level. Assume…
A: Sample mean (x̄) = 42 , standard deviation (s) = 7 and sample size (n) = 19 Then, We will find…
Q: If n=13, (x-bar)=43, and s=7, construct a confidence interval at a 99% confidence level. Assume the…
A: The provided sample mean is X¯=43 and the sample standard deviation is s=7. The size of the sample…
Q: If n=18, x-bar=47, and s=6, construct a confidence interval at a 98% confidence level. Assume the…
A: In question, Given that n=18, x-bar=47, and s=6. Then we'll construct a confidence interval for…
Q: If n=14, ¯x¯(x-bar)=50, and s=4, construct a confidence interval at a 99% confidence level. Assume…
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Q: If n=19, (x-bar)=41, and s=17, construct a confidence interval at a 99% confidence level. Assume the…
A: The provided information are: Sample size(n)=19Sample mean(x¯)=41Sample standard deviation…
Q: If n=26, (x-bar)=31, and s=14, construct a confidence interval at a 90% confidence level. Assume the…
A: Confidence interval give a range of values for the unknown parameter of the population. The width of…
Q: If n=17, (x-bar)=48, and s=2, construct a confidence interval at a 80% confidence level. Assume the…
A: We have to construct confidence interval for mean of single normal population.
Q: If n=28, ¯xx¯(x-bar)=42, and s=16, construct a confidence interval at a 98% confidence level. Assume…
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Q: If n=21, z=30, and s=15, construct a confidence interval at a 95% confidence level. Assume the data…
A: The degrees of freedom is obtained as follows: df=n-1=21-1=20 The critical-value is obtained by…
Q: If n=25, ¤=30, and s=7, construct a confidence interval at a 98% confidence level. Assume the data…
A: It is given that sample mean is 30, sample size is 25 and the sample standard deviation is 7.
Q: If n=16, x¯(x-bar)=48, and s=7, construct a confidence interval at a 98% confidence level. Assume…
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Q: If n=29, (x-bar)3D46, and s=7, construct a confidence interval at a 95% confidence level. Assume the…
A: Given that Sample Mean \bar XXˉ = 4646 Sample Standard Deviation (s)(s) = 77 Sample Size…
Q: If n=19, (x-bar)=35, and s=2, construct a confidence interval at a 99% confidence level. Assume the…
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Q: If n=24, (x-bar)=D34, and s=9, construct a confidence interval at a 95% confidence level. Assume the…
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