A political candidate has asked his/her assistant to conduct a poll to determine the percentage of people in the community that supports him/her. If the candidate wants a 4% margin of error at a 90% confidence level, what size of sample is needed? Be sure to round accordingly. The candidate would need to survey people in the community in order to be within a 4% margin of error at a 90% confidence level.

Q: 5. 8. 45°

A: Solve for value x

Q: 7/3+4/5+1/3=

A: Given: 73+45+13 To find: We have to calculate the value.

Q: 8. 8. 3/ 2.

A:

Q: 14. 10 19

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

Q: 1o.e 4.60

A: trigonometry rule

Q: 2. 6. 1.

A:

Q: 6.2.15. By using expressions $(6.2 .21)$ and $(6.2 .22)$, obtain the result for the one-step…

A: Given: The result that includes the one-step estimate is determined as below,

Q: 10.0

A:

Q: 11. 10 22

A:

Q: Alt 8. 5. 14.

A:

Q: d) | 4f(x)| dæ =

A:

Q: For Exercises 1-9, find the value of x. Write your answers in simplest radical form.

A:

Q: 18. 32 13

A:

Q: 14.

A: I have used theorem for circle

Q: 14. 115"

A:

Q: 8 14

A:

Q: %3D 6.

A: Please see the explanation below

Q: 46 60

A:

Q: 6

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

Q: Find the circumference of each circle. Leave your answer in terms of T.

A: The circumference of a circle with radius r is 2πr.

Q: 10. 6. 3.

A: we have to find the radius of circle from the given figure

Q: 1/5 + 1/10 + 1/15

A: Sum of numbers

Q: 9 5/12 - 3 2/3 =

A: Case 1: Let the given number be in mixed fraction notation.

Q: 7. 45

A:

Q: 16. 15 11.3

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

Q: 4. 15 33,

A:

Q: 1/3+4/5=

A:

Q: 243 30

A:

Q: | = +x 6.

A:

Q: 2.73-0.94

A: Here we subtract a number in another number.

Q: It 3. Mow

A: The given statement is 3n≥2n+1 for any positive integer n≥1. To prove the above statement, we use…

Q: 50.19

A: