If n=15, ¯xx¯(x-bar)=33, and s=19, construct a confidence interval at a 80% confidence level. Assume the data came from a normally distributed population
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A: It is given that mean and standard deviation are 46 and 8, respectively.
Q: If n = 28, ¯xx¯ = 43, and s = 16, construct a confidence interval at a 95% confidence level. Assume…
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Q: If n = 22, ¯xx¯ = 30, and s = 9, construct a confidence interval at a 98% confidence level. Assume…
A: According to the provided information, n = 22, ¯x = 30 s = 9 degrees of freedom = n-1 = 22-1 = 21…
Q: If n=27, ¯xx¯(x-bar)=46, and s=7, construct a confidence interval at a 90% confidence level. Assume…
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Q: If n=14, ¯xx¯(x-bar)=44, and s=9, construct a confidence interval at a 98% confidence level. Assume…
A: Given data ; n =14 , x̄ = 44 , Standard deviation (s) = 9 To construct 98 % confidence interval.
Q: If n = 22, ¯xx¯ = 50, and s = 18, construct a confidence interval at a 95% confidence level. Assume…
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Q: If n = 600 and ˆpp^ (p-hat) = 0.25, construct a 95% confidence interval.
A: Given that sample size is n = 600 And the sample proportion is 0.25 At 95% confidence level, the…
Q: If n=13, ¯xx¯(x-bar)=31, and s=17, construct a confidence interval at a 99% confidence level. Assume…
A: Given data: Sample size, n = 13 Sample mean, x¯=31 Sample standard deviation, s = 17 The degree of…
Q: We have calculated a 95% confidence interval and would prefer for our next confidence interval to…
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Q: If n = 29, ¯xx¯ = 49, and s = 11, construct a confidence interval at a 98% confidence level. Assume…
A: n = 29, x= 49, and s = 11 Confidence Interval : x±t0.98 sn = 49…
Q: If n=12, ¯xx¯(x-bar)=35, and s=8, construct a confidence interval at a 90% confidence level. Assume…
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Q: If n = 32, x¯(x-bar)= 37, and s = 8, construct a confidence interval at a 90% confidence level.…
A: Given data, n=32 x bar =37 s=8 α=0.10
Q: If n=19, ¯xx¯=40, and s=7, construct a confidence interval at a 99% confidence level. Assume the…
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Q: If n = 19, ¯xx¯ = 34, and s = 20, construct a confidence interval at a 95% confidence level. Assume…
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Q: f n=29, ¯xx¯(x-bar)=48, and s=11, construct a confidence interval at a 99% confidence level. Assume…
A: Given data,n = 29x = 48s = 11D.f = n-1 = 29-1=28
Q: If n = 16, ¯xx¯ = 45, and s = 11, construct a confidence interval at a 99% confidence level. Assume…
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Q: If n=28, ¯xx¯(x-bar)=48, and s=13, construct a confidence interval at a 99% confidence level. Assume…
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Q: If n=31, ¯xx¯(x-bar)=45, and s=8, construct a confidence interval at a 99% confidence level. Assume…
A: Given: n=31x¯=45s=8
Q: If n=31, ¯xx¯(x-bar)=38, and s=16, construct a confidence interval at a 98% confidence level. Assume…
A: given data n = 31 x¯ =38 s=16 normal distribution 98% ci for μ= ? α=1-0.98=0.02 Df = n-1 = 30
Q: = 140 and ˆpp^ (p-hat) = 0.7, construct a 90% confidence interval. Give your
A: The value of z at a 90% confidence level is 1.645, which can be obtained by using the standard…
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Q: f n=19, sample mean=50, and s =8, construct a confidence interval at a 99% confidence level. Assume…
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Q: A survey of 50 students in grades 4 through 12 found 66%have classroom Wi-Fi access. Find the 99%…
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Q: If n = 20, ¯xx¯ = 47, and s = 9, construct a confidence interval at a 90% confidence level. Assume…
A: The degrees of freedom is, df=n-1=20-1=19 The degrees of freedom is 19. Computation of critical…
Q: If n=13, ¯xx¯(x-bar)=37, and s=9, construct a confidence interval at a 80% confidence level. Assume…
A: Givenn =13x = 37s=9confidence interval =80%
Q: If n=31, ¯xx¯(x-bar)=34, and s=5, construct a confidence interval at a 90% confidence level. Assume…
A: From the provided information, Sample size (n) = 31 Sample mean (x̅) = 34 Standard deviation (s) = 5…
Q: If n=18, ¯xx¯(x-bar)=33, and s=10, construct a confidence interval at a 80% confidence level. Assume…
A: Given that, Sample size n=18 Sample mean x¯=33 Sample standard deviation s=10 Confidence level is…
Q: If n=23, ¯xx¯(x-bar)=40, and s=12, construct a confidence interval at a 80% confidence level. Assume…
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Q: If n = 440 and ˆpp^ = 0.52, construct a 90% confidence interval. Give your answers to three…
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Q: If n=15, ¯xx¯(x-bar)=33, and s=15, construct a confidence interval at a 90% confidence level. Assume…
A: Confidence interval gives the range of values within the parameter of the population lies with a…
Q: If n=26, ¯xx¯(x-bar)=40, and s=8, construct a confidence interval at a 80% confidence level. Assume…
A: It is given that Sample size n = 26 Sample mean = 40 Sample SD s = 8 The critical value of t at df =…
Q: If n = 200 and ˆpp^ (p-hat) = 0.85, construct a 95% confidence interval. Give your answers to three…
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Q: If n = 590 and ˆp = 0.94, construct a 95% confidence interval. Give your answers to three decimals…
A: If n = 590 and ˆp = 0.94, construct a 95% confidence interval. Give your answers to three decimals…
Q: If n = 24, ¯xx¯ = 30, and s = 3, construct a confidence interval at a 98% confidence level. Assume…
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Q: If n = 380 and ˆ = 0.25, construct a 95% confidence interval. < p < (Give your answers to three…
A: Find z-critical value for 95% confidence level. Refer Standard normal table/Z-table OR use excel…
Q: If n=27, ¯xx¯(x-bar)=43, and s=14, construct a confidence interval at a 99% confidence level. Assume…
A:
Q: If n = 300 and ˆpp^ (p-hat) = 0.95, construct a 99% confidence interval. Give your answers to three…
A: n=300p^=0.95 Confidence level: 1-α=0.99
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Q: If n= 21, x¯(x-bar)= 37, and s= 20, construct a confidence interval at a 99% confidence level.…
A: Given that, Mean = 37 Standard deviation = 20 Sample size = 21
If n=15, ¯xx¯(x-bar)=33, and s=19, construct a confidence interval at a 80% confidence level. Assume the data came from a
Give your answers to one decimal place.
Given' :
sample mean xbar=33
sample size n=15
sample standard deviations s=14
then to find 80% confidence interval of population mean mu ??
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