Out who contracted the flu to Show symptons was 4.14 days after exposure wit a Stundard deviation of 3.74 days Find the 99% confidence nterval for the true ean of Hme 4 wIll take to Shew symptens afte exposure of 286 confirmed cases. the time it took for people everage

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A: Given data,μ=270.6σ=16.9P(-z<Z<z)=0.50

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A: It is given that the length of pregnancies is normally distributed with mean 268.5 and standard…

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A: Hi! Thank you for the question. AS per the honor code, we are allowed to answer the three sub-parts…

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A: Here, population standard deviation σ is known. Hence it is appropriate to use z-score. Using Excel…

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A:

Q: 12. The average waiting time to be seated for dinner at a popular restaurant is 23.5 minutes, with a…

A: 12) Given Information: Mean μ=23.5 Standard deviation σ=3.6

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A: Answer: From the given data, Confidence level = 95% ⇒c = 95% = 0.95 Margin of error (E) = 3…

Q: ble and highest possibel marks assuming normal distributiion .

A: P(X<5)=Pz<5-589=0

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Q: If sp2 = 7.37, n1 = 6 and n2 = 6, what is the estimated standard error of the mean difference,…

A: Denote μ1, μ2 as the means of 1st population) and 2nd population, respectively.

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A: Given X=4.5 Standard deviations=1.1

Q: Number 19

A: It is given that s is 12, µ is 45 and M is 49.a)Here, n is 9.The formula for finding the value of r2…

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A: Given, a.) n=10 q21 s=4.0 c=90% b.) n=16 s=4.2 c=95%

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Q: Exhibit 9-22 The manager of a grocery store has taken a random sample of 36 customers. The average…

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A: Residual = Observed value – predicted value  Here residual value is positive

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Q: If a data set has a mean of 48.2 and a Standard deviation OF 12.5 What is the = Score for a data…

A: we know,if a data set has,the mean(μ)  = 48.2the standard deviation(σ)  = 12.5a data value(x) = 33.2

Q: Show all calculation for question 2 part a - f

A: Step 1: Step 2: Step 3: Step 4:

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Q: Illustration 10.44. A calculating machine.while calculating mean and standard deviation of 25…

A: n=25, σ=5, x̄=30

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A: We want to find the sample

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A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…