Bobby randomly selects 138 subscribers of Stingray Karaoke on YouTube and asked how much time they typically spend on the site during the week. The sample mean is 3.63 hours and the population standard deviation o is 2.01. What is the upper limit of a 95% confidence interval? Type your answer...

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A: Answer is mentioned below -

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Q: c ?) n=D0 is it Conv or div--

A: Here is the solution

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A: Using method of Partial Fraction.

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Q: 1 Express 3 5 3 5 7 = as a linear combination of - 1 + 2 3 4 2 H 1 and 3 4 LO

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Q: b) Evaluate ſ, S s,(x² + y² + z²)dxdydz.

A: Integrate with respect to x and plug the limits.

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Q: 3. Determine all the units of Z40 and of Z11.

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Q: d) fast!

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Q: by Gaclening 2.

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A: Please refer the attached image for complete solution.

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Q: 6. Find the value of JK. X+2 X+4 X+1

A: First Use the intersection chord method and solve for x than find the length JK.