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Mathematics, 16.06.2021 18:50 yesharabaskoro
A field is shaped luke the diagram below. It is a rectangle with semi circles at the two ends. There is a running track around the field. Use 3.14 as an approximation for Pi.
Question A) Find the length of tje running track. Round your answer to the nearest ten meters.
Question B) An athlete ran around the track one time at an average speed of 8 meters per second. How many seconds did it take him to run around the track?​
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Mathematics, 21.06.2019 22:20
(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)
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A field is shaped luke the diagram below. It is a rectangle with semi circles at the two ends. There...
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