Page 1 of 1
3. A random variable, x, is normally distributed with a mean of 250 and standard deviation of 77. (i) What is the probab
Posted: Sat May 21, 2022 1:13 pm
by answerhappygod
- 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 12 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]