The formula described in this section for determining sample size corresponds to a confidence level of 95% to within an amount B. What would be the appropriate formula for determining sample size when the desired confidence level is 90%? On=1.645a\ B 1.960 B On n = (2.330) B 2.580 On= B On= 2.6760 B What would be the appropriate formula for determining sample size when the desired confidence level is 98%? 1.64502

Q: 5. 8. 45°

A: Solve for value x

Q: 8. 8. 3/ 2.

A:

Q: 14. 10 19

A: 14 Consider the sine angle property is, sinx=perpendicularhypotenuse

Q: Find lim (x,y)→(12,3) xy cos(x – 4y). OS 1. –36 2. 36 3. 3 4. 0

A:

Q: 10.0

A:

Q: 9.25x25

A: SOLUTION-

Q: 1. 2. 3.

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Q: 11. 10 22

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Q: 18 20

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Q: Alt 8. 5. 14.

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Q: 14.

A: I have used theorem for circle

Q: 8 14

A:

Q: %3D 6.

A: Please see the explanation below

Q: 6. 6. х 14

A: Given: 9x=x14

Q: 6

A: In the question it is asked to find the angle x° for the triangle shown in the figure.

Q: 60.91-2.856

A: We want to find the value  60.91-2.856=?

Q: 16. 15 11.3

A: We know that, cos(x)=adjacent/hypotenuse.

Q: Diagonalize the following matrix.

A:

Q: Identify the postulate for each drawing

A: Identify the postulates for each drawing

Q: 12 8. 4

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

Q: 18.5x9.40

A: To calculate: 18.5 × 9.40

Q: 2.763-4.5(2.1x-5.1432)=6.32x+5

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Q: 5.1 16

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Q: 12. 30 y

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Q: 12 10 6. X%=

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Q: 11. 6.

A: We have to find radius

Q: 5.1  5

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Q: 6 9.06

A:

Q: 4. 36

A: Given,          34=a36

Q: 11.6 - (-12.2) + (11.7)

A:

Q: 8. 11

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