If n=14, (x-bar)=37, and s=7, construct a confidence interval at a 98% confidence level. Assume the data came from a normally distributed population. Give your answers to one decimal place. > 1 >
Q: If n = 20, a = 48, and s = 8, construct a confidence interval %3D at a 80% confidence level. Assume…
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Q: If n=32, ¯xx¯(x-bar)=31, and s=14, construct a confidence interval at a 95% confidence level. Assume…
A: Given: x¯=31n=32s=1495% confidence level
Q: If n=18, (x-bar)=42, and s=17, construct a confidence interval at a 80% confidence level. Assune the…
A: We have given that, Sample mean (x̄) = 42, standard deviation (s) = 17 and sample size (n) = 18…
Q: If n=30, ¯xx¯(x-bar)=43, and s=16, construct a confidence interval at a 98% confidence level. Assume…
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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=30, (x-bar)=38, and s=8, construct a confidence interval at a 90% confidence level. Assume the…
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Q: If n=13, (x-bar)=D49, and s-13, construct a confidence interval at a 98% confidence level. Assume…
A: Given problem Given that n = 13 x-bar = 49 s = 13 Degree of freedom, df = 13 - 1 Degree of…
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=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: construct a confidence interval at a 98% confidence level.
A: Given : n=29 , X-bar=39 , s=11 , α=0.02 Since , the population standard deviation (σ) is unknown.…
Q: Given a sample size of 400 with a mean of 80 and the population standard deviation is found to be 35…
A: We have given that, Sample mean (x̄) = 80, population standard deviation (σ) = 35 and sample size…
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=13, (x-bar)=48, and s=12, construct a confidence interval at a 95% confidence level. Assume the…
A: Mean = 48Standard deviation = 12Sample size = 13
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 = 25, ¯x = 50, and s = 19, construct a confidence interval at a 99% confidence level. Assume…
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Q: If n = 250 and X = 200, construct a 99% confidence interval for the population proportion, p. Give…
A: As given, n = 250 and x = 200. It is asked to construct a 99% confidence interval for the…
Q: If n = 330 and X = 264, construct a 95% confidence interval for the population proportion, p. %3D…
A: From the provided information, Confidence level = 95% Sample size (n) = 330, x = 264 Sample…
Q: If n=12, x=47, and s=7, construct a confidence interval at a 98% confidence level. Assume the data…
A: According to the provided information,
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 = 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 the sample mean is 70 and the standard error of the sample mean is 8, what will be the 90%…
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Q: If n=18, (x-bar)=D42, and s=8, construct a confidence interval at a 98% confidence level. Assume the…
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Q: If n=15, 7(x-bar)=50, and s-7, construct a confidence interval at a 80% confidence level. Assume the…
A: Sample mean =50Sample standard deviation = 7Sample size = 1580% confidence level
Q: If n 28, = 37, and s = 6.2, construct a confidence interval at a 97% confidence level. Assume the…
A: Solution: The following information is given to us: s=6.2 n =28 A 97% confidence interval is…
Q: For a confidence interval of 5.4 +/- 0.2 find the % confidence level if the standard deviation is…
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Q: If n = 13, T=30, and s = 3, construct a confidence interval at a 99% confidence level. Give your…
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Q: If n = 20, = 40, and s = 20, construct a confidence interval at a 90% confidence level. Assume the…
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Q: If n = 16, = 42, and s 7, construct a confidence interval at a 95% confidence level. Assume the data…
A: Sample mean = x̅ = 42 Sample size = n = 16 Sample S.D = s = 7 Standard Error = s/√n = 7/√16 =…
Q: If n-31, (x-bar)=40, and s-5, construct a confidence interval at a 98% confidence level. Assume the…
A: Given that Sample Mean \bar XXˉ = 4040 Sample Standard Deviation (s)(s) = 55 Sample Size…
Q: If n = 18, = 44, and s= 3, construct a confidence interval at a 98% confidence level. Assume the…
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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 = 11, -48, and s = 8, construct a confidence interval at a 95% confidence level. Give your…
A: Given: Sample size n=11 Sample mean x¯=48 Sample standard deviation s=8
Q: If n = 220 and X = 176, construct a 95% confidence interval for the population proportion, p. Give…
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Q: If n = 24 , overline x (x-bar)=40 , and s = 20 . construct a confidence interval at a 95% confidence…
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Q: If n = 11,(x -bar)= 31, and s = 19, construct a confidence interval at a 99% confidence level.…
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Q: If n=31, ¯xx¯(x-bar)=33, and s=9, construct a confidence interval at a 80% confidence level. Assume…
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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=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: A random sample of 500 observations yields x̅ =400 and s=50. What is the 95% confidence interval…
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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 = 550 and X = 440, construct a 90% confidence interval for the population proportion, p. Give…
A: Given information:Total number of trials (n) = 550Number of success (X) = 440Confidence level = 0.90
Q: If n=16, 7(x-bar)=38, and s=12, construct a confidence interval at a 99% confidence level. Assume…
A: Since population standard deviation is unknown, Use t-distribution to find t-critical value. Find…
Q: If n = 10, ¯xx¯ = 38, and s = 7, construct a confidence interval at a 99% confidence level. Assume…
A: Obtain the 99% confidence interval for the population mean. The 99% confidence interval for the…
Q: If n = 15, = 47, and s = 7, construct a confidence interval at a 95% confidence level. Assume the…
A: Given: n= 15.0 , x̄= 47.0 s= 7.0 degree of freedom=n-1= 14.0 At 95.0 % confidence level with d.o.f.=…
Q: If n-10, 2(xbar)-40, and s-4, construct a confidence interval at a 98% confidence tevel. Assume the…
A: The summary of statistics is, x¯=40,s=4,n=10 The degree of freedom is, df=n-1 =10-1 =9 Critical…
Q: construct a confidence interval at a 98% confidence level
A: Given that sample size n = 26, sample mean = 31 and sample SD s = 17 At 98% confidence level and df…
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