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The average salary of 64 employee was 5400. Using historical data, we will assume that the population standard deviation is
250. Find the 95% confidence interval for the population mean salary.
Select one:
O a. 5400+61.25
Ob. 5400 + 63.70
O c. 5400 66.15
O d. 5400 £ 68.60
Transcribed Image Text:8 https://itc.birzeit.edu/mod/quiz/attempt.php?attempt=655589&cmid%3D246757&page=D7 6Call us : +97(0/2)-2-2982000 E-mail: help@ritaj.ps 1 12 17 ATISTICS FOR BUSINESS AND ECONOMICS-Lecture-1202- STAT ard / My Courses / STATISTICS FOR BUSINESS AND ECONOMICS-Lecture-1202 - STAT2361 -meta / General / STAT2361 - 1202- Final Exam Time left 1:45:26 The average salary of 64 employee was 5400. Using historical data, we will assume that the population standard deviation is 250. Find the 95% confidence interval for the population mean salary. Select one: O a. 5400+61.25 Ob. 5400 + 63.70 O c. 5400 66.15 O d. 5400 £ 68.60
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