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Employees of a company fall into four categories: Managers (4%),
Administrators (12%), Technicians (26%) and Labourers (58%).
If 20% of the Managers, 5% of the Administrators, 3% of the Technicians and 0.5% of the Labourers have the opportunity of promotion in the next year:
(i) What is the probability that a randomly chosen employee is a manager and will gain promotion next year?
(ii) What is the probability that a randomly chosen employee will gain promotion next year?
(iii) What is the probability that a randomly chosen employee is an Administrator if the employee has the opportunity of gainingpromotion next year?
suppose that x is a continuous random variable with a probability distribution fx 2x25 where x is between 0 and 5
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a survey found that womens heights are normally distributed with a mean 64.4 in. and a standard deviation 2.5 in. a
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