subject
Mathematics, 18.12.2020 17:10 samanthaurso1

Sameer polled a random selection of 120 of the 250 workers at his office to determine whether they were satisfied with their office supply ordering process. The survey showed that 90 of the workers polled were satisfied. With a desired confidence level of 99%, which has a z*-score of 2.58, what is the margin of error of Sameer's survey? E = z* 7% 10% 12% 18%

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
6.(q^9)^2 a. 2q^18 b. q^18 c. q^81 d.q^11 7.(6q^6)^-4 a. 6q^1296 b. 1296q^2 c. 1/1296q^24 d. 6q^-24 8. what is the value of 12x^-3 y^-1 for x = -1 and y = 5? a. -12/5 b.-10 c.-0 d.5/12 9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10
Answers: 3
question
Mathematics, 21.06.2019 18:00
Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?
Answers: 1
question
Mathematics, 21.06.2019 19:00
Zroms according to the synthetic division below, which of the following statements are true? check all that apply. 352 -2 6 -12 12 2 4 0 i a. (x-3) is a factor of 2x2 - 2x - 12. b. the number 3 is a root of f(x) = 2x2 - 2x - 12. c. (2x2 - 2x - 12) = (x + 3) = (2x + 4) d. (2x2 - 2x-12) - (x-3) = (2x + 4) e. (x+3) is a factor of 2x2 - 2x - 12. o f. the number -3 is a root of fx) = 2x2 - 2x - 12. previous
Answers: 2
question
Mathematics, 21.06.2019 19:30
Factor the expression using gcf 9b+45
Answers: 2
You know the right answer?
Sameer polled a random selection of 120 of the 250 workers at his office to determine whether they w...
Questions
question
Mathematics, 24.06.2019 19:30
question
History, 24.06.2019 19:30
question
Mathematics, 24.06.2019 19:30
question
Mathematics, 24.06.2019 19:30
question
Mathematics, 24.06.2019 19:30
question
History, 24.06.2019 19:30
Questions on the website: 13722363