3. A random variable, x, is normally distributed with a mean of 250 and standard deviation of 77. (i) What is the probab

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3. A random variable, x, is normally distributed with a mean of 250 and standard deviation of 77. (i) What is the probab

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3 A Random Variable X Is Normally Distributed With A Mean Of 250 And Standard Deviation Of 77 I What Is The Probab 1
3 A Random Variable X Is Normally Distributed With A Mean Of 250 And Standard Deviation Of 77 I What Is The Probab 1 (81.83 KiB) Viewed 19 times
3. A random variable, x, is normally distributed with a mean of 250 and standard deviation of 77. (i) What is the probability of an observation having a value less than 100? (10 Marks] (ii) What is the probability of an observation between 100 and 330? [10 Marks] Note X-4 It is given that: z = [Total: 20 Marks]
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