What is F, the daily average temperature in degrees Fahrenheit in Raleigh during this period? b) What is Sf, the standard deviation in degrees Fahrenheit of the daily temperatures in Raleigh during this period?

Q: In a test of h0 u=100 against ha :u>100 the sample data yielded the test statistic z=2.17 find and…

A: Given that  Null and alternative hypothesis is.  H0 : μ =100 Ha : μ >100 Test statistic z =2.17

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A:

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Q: The n1 was not 75, it was 73?

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A: Given that  Number of trials n=30 Success of probability p =65%=0.65 X~bin(n,p) nCx = n!/x!(n-x)!…

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Q: 74.4% of U.S. households had Internet access in 2013. What is the probability that four randomly…

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Q: Question 8 You are given the following hypothesis test: HO: μ-100 H1: u 100 The calculated test…

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A: Given that Mean=E(X)=12

Q: answer a to h for upvote if you don't want upvote then kindly answer d to f

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A: Solution as below:

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A: Given: Point Estimate, p̂=0.8 Lower Confidence limit=0.6

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Q: The following is a set of data from a sample of n = 7. 13 9 15 12 11 4 3 (a) Compute the first…

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A: Given that.   X~N( μ , ?)   μ=6    , ?=2.7   Z-score =( x - μ )/?

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A: We have given data are 16,14,14,21,13,24 x x2 16 256 14 196 14 196 21 441 13 169 24…

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A: It is given that stem and leaf diagram for the drill time data.

Q: test species in a given amount of time (usually 96 hours for fish species). This measure is called…

A: Given information S12=sample variance for n1=8 S22=sample variance for n2=6

Q: A particular university reported the following percentages: -47% are Male students -35% are Arts…

A: Note : Hi! Thank you for the question, As per the honor code, we are allowed to answer three…

Q: (d) () (ii) (ii) Write down the x* test statistic. Write down the p-value. State the conclusion for…

A: Solution: The observed frequency table is

Q: From each of the two normally distributed populations, independent random samples were selected. n1…

A: From the provided information, n1=25x1=35.4s12=8.15n2=11x2=30.2s22=3.47

Q: Problem #2: IQs are known to be normally distributed with mean 100 and standard deviation 15. (a)…

A: Given data  Normal distribution μ = 100σ = 15

Q: ut of a sample of 160 girls , 100 preferred FANTA to COKE while a sample of 140 boys had 30…

A: Given that n1=160, n2=140, X1=100, X2=30, α=0.01 p1=X1/n2=100/160=0.625 p2=X2/n2=30/140=0.214…

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Q: In 2008, the per capita consumption of soft drinks in Country A was reported to be 18.33 gallons.…

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Q: Stirling's approximation can be defined below:   How do I calculate how big N is so that the error…

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A: From the provided information, Sample size (n) = 64 Sample mean (x̄) = 250 Sample standard deviation…

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Q: Question 20 T Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8…

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Q: Please use the accompanying Excel data set or accompanying Text file data set when completing the…

A: The data shows x and y variables.

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A: Given information: The data for the cotinine level in dry blood spots is given.