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Question: a random variable x is distributed normally with mean 450...

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1. Paper 2 Question you may use a calculator. Copy the diagram below on your paper for (a). A random variable x is distributed normally with mean 450 It is known that POLY a) 0.27 [3 marks] (a) Represent all this information on the following diagram. (b) Given that the standard deviation is 20, find a. Give your answer co to the 13 marks) nearest whole number.
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