Internet Viewing A researcher wishes to estimate the average number of minutes per day a person spends on the Internet. How arge a sample must she select if she wishes to be 99% confident that the population mean is within 13 minutes of the sample mean? Assume the population standard deviation is 48 minutes. Round your final answer up to the next whole number. +/ The researcher needs

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A: Solve for value x

Q: 4. If we randomly pull a number from B, what is the probability that it is also an element of A? P…

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A: To simplify 35+710.

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A: Given that                  A=60-1054-403-3502-425, λ=5

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Q: Given the information below, estimate the total distance travelled during these 6 seconds using a…

A: We need to perform left endpoint approximation.

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A: Use 2 chords power theorem

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A: Given: 9x=x14

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A: The series ∑n=1∞1n0.2. We have to check whether it is convergent or divergent.

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A: we have to find the radius of circle from the given figure

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A: 5. In the given right triangle , the hypotenuse is 41 and the perpendicular length is 40. Apply the…

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A: Given, 12/4 - 8/5 Taking LCM we have, LCM= 4*5= 20

Q: Approximate the area under the curve y = x² from x = with 4 subdivisions. 1 to x = 3 using a Right…

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A: for triangle ADB, use the Pythagorean theorem  AB2=AD2+BD2 x2=42+BD2 x2-42=BD2 x2-16=BD2 BD2=x2-16

Q: 8. 11

A: Given perpendicular side to given angle is 11 and adjacent side of given angle is 8. We know that,…