口 Question 1 If u = xªy³ zº, a = 4.457, 6 = 3.123, and c = 4.122, then the value of sin эти მე3 მყ მ23 at x = 1, y = 1, z = 1 is 1 pts O 0.044 0.017 0.076 0.326 O 0.272 -0.854 -0.494 O-0.364

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A: ∫sin2xdxUse the identitysin2x=1-cos(2x)2∫sin2xdx=∫1-cos(2x)2dx                 =12(∫1dx-∫cos(2x)dx)

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A: n=40, Sx = 8.6

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A: Solution:

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Q: Find the value of E, the margin of error, forc=0.99, n= 10 and s=3.6. ...... O A. 3.7

A: Given: n= 10.0 s= 3.6 degree of freedom=n-1= 9.0 At 99.0 % confidence level with d.o.f.= 9.0…