À 90% confidence interval for p is given as (0.26,0.54). H

Q: A sample of 1110 observations taken from a population produced a sample proportion of 0.32. Make a…

A: The point estimate of population proportion is sample proportion.Margin of error=zα2p^×q^n…

Q: The t value for a 95% confidence interval estimation with 28 degrees o freedom is 2.467 O 2.052 O…

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Q: We have presented a confidence interval (CI) for the difference, μ1 − μ2, between two population…

A: It is given that the 99% confidence interval for the difference between two population  means is…

Q: If X = 114, α= 20, and n = 33, construct a 99% confidence interval estimate for the population mean,…

A: Given data:  Sample Mean = 114 Population standard deviation = 20 Sample size = 33 Confidence level…

Q: Find a 94% confidence interval for A given that x = 20. a = 3. n = 30

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Q: Shown below is the confidence interval​ (CI) for the​ difference,μ1−μ2​,between two population…

A: A 95%  confidence interval​ (CI) for the​ difference,μ1−μ2​,between two population means -30 to 20…

Q: If X=70​, σ=14​, and n=61​, construct a 99​% confidence interval estimate of the population​ mean,…

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Q: Construct the confidence interval for the population mean y. C=0.95, x= 16.7, o= 4.0, and n= 75. A…

A: Here, C=0.95, x=16.7, σ=4.0, and n=75.

Q: ind the 95% confidence interval for μ given that n = 16, X̄ = 28 and σ = 6.

A: Given Information: Sample size n=16 Sample mean x¯=28 Population standard deviation σ=6 Confidence…

Q: If n = 560 and X = 448, construct a 95% confidence interval for the population proportion, p. %3D…

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Q: Find a 95% confidence interval for a mean, µ, where n = 324, x̄ = 2.7, s = .91, and se = .06.

A: Given: n = 324, x̄ = 2.7, s = .91, se = .06.

Q: Construct the confidence interval for the population mean μ.   c=0.98​, x=16.3​, σ=5.0​, and n=85

A: In question, We'll construct the confidence interval for population mean. When, c=0.98, x=16.3,…

Q: The mean and the standard deviation of a normal population are 11,795 and 14054 respectively. If n=…

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Q: If n=380 and X = 304, construct a 90% confidence interval. Give your answers to three decimals…

A: Given,n=380 ,x=304p^=xnp^=304380=0.81-p^=1-0.8=0.2α=1-0.90=0.1α2=0.05Z0.05=1.645     (from Z-table)

Q: Find the 95% confidence interval for the standard deviation of the ages of residents in a senior…

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Q: If n = 108, ¯xx¯ = 29 and σσ = 2.6, construct a 91% confidence interval. Give your answers to three…

A: Given Data: x¯=29σ=2.6n=108   z-value corresponding to 91% confidence level=1.695

Q: Construct the indicated confidence interval for the population mean . Assume c = 0.98, = 101.3, =…

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Q: Construct the confidence interval for the population mean μ.   c=0.98​, x=4.5​, σ=0.6​, and n=57

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Q: Construct the confidence interval for the population mean y. C= 0.90, x=16.6, o= 10.0, and n= 80

A: Here, C=0.90, x=16.6, σ=10.0, and n=80.

Q: Find the following. z a/2 at the 86% confidence interval

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Q: A sample of n=16 scores has a mean of M=58 with s=8. Using the sample, what is the 95% confidence…

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Q: Which confidence interval would lead you to Fail to Reject H0? Test value: 10 Confidence…

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Q: Construct the confidence interval for the population mean u. c=0.95 x=15.6 and standard deviation =…

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Q: Construct the confidence interval for the population mean μ.   c=0.95​, x=8.1​, σ=0.3​, and n= 40

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Q: The scores of a certain population on the Wechsler Intelligence Scale for children (WISC) are…

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Q: For a population of normally distributed scores, μ = 155 and σ = 12, approximately what would be the…

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Q: If n = 180 and X = 144, construct a 99% confidence interval for the population proportion, p. Give…

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Q: If X= 102, o=9, and n=63, construct a 95% confidence interval estimate of the population mean, μ.

A: Formula to constructing the confidence interval about mean , when the population standard deviation…

Q: It took an average of 4.4 years for a grove of 57 orange trees to bear fruit. Assume the standard…

A: Solution-: Given: x¯=4.4,n=57,σ=3.7,α=0.04 We find 96% C.I. =?

Q: If n = 530 and X = 424, construct a 99% confidence interval for the population proportion, p. Give…

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Q: A sample of 1100 observations taken from a population produced a sample proportion of 0.36 . Make a…

A: Given information Sample proportion = 0.36 Sample size (n) = 1100

Q: A sample ofn= 25 scores has a mean of M = 72 with SS = 960. Use the sample to construct the 95%…

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Q: Suppose you have 86 samples with sample standard deviation 4.7. A 99% confidence interval for the…

A: The sample size is 86, and the sample standard deviation is 4.7. The degrees of freedom is,…

Q: The Za/2 value for a confidence interval is found as 1.29. What is the confidence level? Select one:…

A: To calculate: The Confidence level

Q: Construct the confidence interval for the population mean μ.   c=0.98​, x=16.6​, σ=7.0​, and n= 70…

A: Given that  98% confidence interval  x=16.6​, σ=7.0​, and n= 70

Q: A 95% confidence interval for a proportion is (0.62, 0.88). From this we can infer: O The population…

A: We have to find out confident interval for a proportion ...

Q: A study found that a 95% confidence interval for the mean μ of a particular population was computed…

A: Given, 95% confidence interval 10 ± 4  Sample size  = 1200         To write the conclusion regarding…