In 2011 the U.S. Department of Transportation reported with 95% confidence that the average length of a motor vehicle trip in the United States was 9.72 miles with a margin or error of 0.22 miles. With 95% confidence the authors of the report are claiming that the true average length of a motor vehicle miles. trip in the United States is between and The level of confidence for this estimate is %.

Q: 11) 60

A: Here I am attaching image so that you understand each and every step.

Q: 10) 21 68

A: We know that tan θ=Opposite sideAdjacent sidetan(68)=x21

Q: 9) 60

A: The figure is

Q: Suppose that 103 Σ ai = 19 and i=1 103 i=1 b₁ = 18. Compute the sum.

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Q: 8) 16 15

A: Answer is below

Q: 5. 20 52

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Q: 4) 37 12

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Q: 4.122

A: Given Information: a) Suppose each lot contains 10 items, you decide to sample 4 items per lot and…

Q: Diagonalize the following matrix.

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Q: 11 11 4. 64

A: Given: simplify the expression

Q: 6. 4 Z+ 1 z+ 7 2.

A: Given,  4/(z + 1)  =  2/(z + 7)  To find value of z.

Q: 14 19

A: To find :- x  Given :- Base = 14 , Hypotenuse = x ,               and θ= 49°   By using…

Q: 5.1 16

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Q: 29 33

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Q: - 2 4. - 3 V22 4 2/7 41M

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Q: Let A(x) represent the area bounded by the graph, the horizontal axis, and the vertical lines at t =…

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