researcher was hired to estimate the proportion of American households that have broadband internet access. The researcher calculated the following 95% confidence interval. 0.461

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A: n=3295% confidence interval

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A: Mean = 63.7 inchStandarad deviation =2.9 inch

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A: The given data is as follows:

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A: There are 8 white, 4 blue, 9 red, 7 Yellow, and 4 green marbles in a bag.

Q: Need C please

A: Given that the value of the test statistic (t) = -1.383sample size (n1) = 41sample size (n2) = 44

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A: Maximum error=5Standard deviation=16

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A:

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A: We have given the following data: 127.6138.3126.2131.7142.7135.3138.6128.9Sample size: Confidence…

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A: Sample size Mean Standard deviation NOTE: Hi there! Thanks for posting the question. Since you have…

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A: From the provided information,The shaded area 0.1894 is to the right of standard normal curve.

Q: Need help with part D please E G      thanks

A: From the above parts and given information we have sample sizes n1 = 594, n2 = 506Favorable cases…

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Q: e the normal distribution of SAT critical reading scores for which the mean 506 and the standard…

A: X~N( μ , ?)μ=506    , ?=125Z-score =( x - μ )/?

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A: For the sake of solving the problem, consider two events: A and B.As the two events are defined to…

Q: week on gas by a sample of 32 Oxford drivers was found to be $32.38 with a standard deviation of…

A: Sample size n=32Sample mean=32.38Standard deviation=2.63

Q: Provide an interpretation for the confidence interval.

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A: From the provided information,Confidence level = 95%

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A: E=22,σ=33,CI=80%=0.80α=1−CI=1−0.80=0.20

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A: The volumes of soda in quart soda bottles are normally distributed with a mean of 32.3 oz and a…

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A: The given problem can be solved by using regression equation. The linear regression equation is in…

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A: Sample size n=20Population standard deviation=9

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Q: Porphyrin is a pigment in blood protoplasm and other body fluids that is significant in body energy…

A: We have given that Mean() = 43Standard deviations () = 10

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A: The given data represents the median income of males. The given number of classes for the frequency…

Q: Based on a random sample of 50, a 95% confidence interval for the population proportion was…

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Q: The cost function y = 150 +7X OA. has a slope coefficient of 150 OB. has an intercept of 150 OC.…

A: The cost functiony = 150 + 7*X

Q: a) Find the value of ‘*’ and Find the expected category of hurricane to make landfall, E(X).   What…

A: xP(X=x)10.4120.3430.1340.075*

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A: Given thatMean of exponential distribution And we know that cdf of exponential distribution is given…

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A: Given that  to be the state of the machine on the morning of day for .

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A: AS per our guidelines we are suppose to answer only one question.Mean()=121.3Standard…

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Q: Find the minimum sample size required to estimate the mean pulse rate of adult females in  order to…

A: confidence level=90%Margin of error(E)=4standard deviation()=8.5

Q: In a normal distribution with μ 250 and o = 20 find the percentile rank of the following data…

A: Mean=250Standard deviation=20

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A: