The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 44 who smoke. Step 2 of 2: Suppose a sample of 1421 Americans over 44 is drawn. Of these people, 454 smoke. Using the data, construct the 90% confidence interval for the population proportion of Americans over 44 who smoke. Round your answers to three decimal places. Answer How to enter your answer (opens in new window) Lower endpoint: Upper endpoint: Keypa Keyboard Shortc Tables Previous step ansv

Q: 3x - 5y= -13  -2x + 3y = 8

A:

Q: Cant see step 2

A: To find:- Factor of -35  that have sum of -2

Q: Y16x? 14x²-2x² -2

A:

Q: 3a - 7b - 5a + b

A: To seperate the terms of a and b, we get3a - 5a - 7b + b

Q: 5x + 9y = 12       4x - 3y = 8

A: Given system of equation 5x+9y=12, 4x-3y=8. Find x and y.

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A:

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Q: 5-3x

A: Consider the given expression.

Q: 1b+1b

A: Applying  addition operation since terms with same variable  binomial addition

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Q: TC 3X-X²

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Q: 4(5+6)=

A: Given: 4(5+6)=

Q: x+2 xp- J +4x

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Q: andB

A: Use basic multiplication and subtraction of matrix  rule .

Q: 6 - 7z + 5) dz Find Preview +C

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Q: find x+y+z

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Q: 2k-4k2

A: Given that

Q: 4x + 2y=8 6x - 4y=5

A: Given4x+2y=8 and    --- Eq 16x-4y=5           --- Eq 2We solve for x and yFrom Eq 1:2y=8-4x…

Q: 9x+4y=13 3x+5y=9

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Q: Show the proper algebraic steps to 2x+4 = 4x. %3D

A: According to the question, we have to solve the algebraic expression 2x+4=4x and find the value of…

Q: 2x+5y=-4 -2x+3y=20

A: The given equations are 2x + 5y = –4 and –2x + 3y = 20. Add the given equations as follows. Thus,…