The average salary of 64 employee was 5400 and the sample standard deviation was 280. Find the 95% confidence interval for the population mean salary. Select one: a. 5400 + 64.94 O b. 5400 ± 67.43 O c. 5400 ± 62.44 d. 5400 + 69.93

Q: The average salary of 64 employee was 5400 and the sample standard deviation was 280. Find the 90%…

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A: Solution

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