2. The age of the employees in an organization are normally distributed with mean 39.6 years and standard deviation 16.4 years. An employee is randomly
2. The age of the employees in an organization are normally distributed with mean 39.6 years and standard deviation 16.4 years. An employee is randomly selected. (i) Find the probability that he is at least 45 years old. {3 marks) (ii) It was found that 5% of the employees are above :4 years old. Calculate the value ofs. {4 marks]
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