The mean and the standard deviation of a population are 11795 and 14054 respectively. If n = 50, find 95% confidence interval for the mean. a. 7899.43 and 15690.57 b. 7989.34 and 16590.75 c. 7998.43 and 16509.75 d. 7843.99 and 15657.90 e. NONE OF THE ABOVE A O B O C O D O E

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