Compute a 95​% confidence interval for the proportion of women with cosmetic dermatitis from using eye shadow who have a nickel allergy.

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A: Given: Population mean  μ=14.40 Population standard deviation σ=1 Let X ~N (14.40, 12)

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A: To find the area to the right of 0.45

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Q: Please also explain why you determined whether or not the results are statistically significant.…

A: From the given information we conduct Hypothesis test.

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A: Given Data : Population Mean,μ = 30 Population Standard Deviation,σ = 4.5

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A: A sample of 150 households in the area; n=150 An investigator found that members of 60 households ;…

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A: For the given data Find all the required

Q: The average weekly incomes, in £s, of 18 selected occupations in the United Kingdom were: 244, 146,…

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Q: One variable that is measured by online homework systems is the amount of time a student spends on…

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A: Given data :   A: 6.4,6.6,6.7,6.8,7.1,7.2,7.5,7.9,7.9,7.9 B: 4.2,5.3,5.7,6.1,6.8,7.7,7.7,8.6,9.2,10

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A: Given:             Male Female 91 81 86 91 91 91 89 86 92 90 86 79 81…

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Q: nt of determination is 49%, the strength of the linear relationship is equal to _______. Expr

A: Given: Stories Height (in ft) 57 820 53 795 38 650 31 633 43 578 41 506 41 548 39…

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A: Disclaimer: “Since you have posted a question with multiple sub-parts, we will solve first three…

Q: For items 1 to 5: Broadcast duration of episodes of a news show has been observed to be normally…

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Q: 5: Use the quadratic interpolation and the following data to find f(1.4) X 1 1.2 1.3 1.4 1.5 F(x)…

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Q: (c) Suppose you select a sample of 430 complaints involving new car dealers. Show the sampling…

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Q: 20. An organization claims that teenagers spend on average 6.5 hours per week on the phone. To test…

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Q: Using second order polynomial regression, find the "best fit." Show your complete solution. X f(x)…

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Q: 10. mean = 54.2; standard deviation = 12,3

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Q: 9. mean = 676; standard deviation = 60 Page

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Q: * If n=32, x=26.2, o=5.15, a = 0.05:answer the following Two questions Q8. The confidence interval…

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Q: What is the expected weight of a chimpanzee that is 157 cm tall?

A: Here Given Regression Equation  Y = 0.34x + 19.5 Where  Y = Weight in Kg x = Height in cm And…

Q: When you calculated confidence intervals using a z-test for one sample proportion, what kinds of…

A: Given Information:- Confidence intervals using a z-test for one sample proportion.

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Q: An electronics store sells a particular model of a laptop computer. There are only four laptops in…

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Q: solve for t.

A: here given ,  A group of faculty members at a local university agreed that the average annual salary…

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Q: her estimates that 39 out of every 100 of its online customers is a man who does not live within 50…

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Q: Suppose Z∼N(0,1). Calculate P(Z ≤ 0.91)

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Q: If n=330 and p (p-hat) -0.27, find the margin of error at a 90% confidence level Give your answer to…

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Q: A pharmaceutical company, engaged in the manufacture of a patent medicine claimed that it was 80…

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Q: 021. The confidence interval for the population mean is B) (24.42, 27.98) A) (26.08, 26.32) Q22. The…

A: Given that  Sample size n =32 Sample mean =26.2 Population standard deviation=5.15