1. Consider the distribution of time (in second) for all pilots to complete a certain corrective action in a flight simu
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1. Consider the distribution of time (in second) for all pilots to complete a certain corrective action in a flight simu
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1. Consider the distribution of time (in second) for all pilots to complete a certain corrective action in a flight simulator. This distribution is normally distributed and has variance 45 second. A random sample of 10 pilots from this population was drawn and the data was summarized in table below. N 10 Mean 22 Summary of Statistics Std. Deviation X Std. Error Mean 0.3246 a) Determine the value of X. (2 marks) b) Construct the 95% confidence interval for the time in second) for pilots to complete a certain corrective action in flight simulator. Interpret the result obtained. (4 marks)