Mathematics, 07.10.2020 22:01 tressasill
confidence interval of months to months has been found for the mean duration of imprisonment, , of political prisoners of a certain country with chronic PTSD. a. Determine the margin of error, E. b. Explain the meaning of E in this context in terms of the accuracy of the estimate. c. Find the sample size required to have a margin of error of months and a % confidence level. (Use months.)d. Find a % confidence interval for the mean duration of imprisonment, , if a sample of the size determined in part (c) has a mean of months.
Answers: 3
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Which system of linear inequalities is represented by the graph?
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Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?
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Mathematics, 22.06.2019 01:30
Mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.
Answers: 2
confidence interval of months to months has been found for the mean duration of imprisonment, , of p...
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