TEST - II: PROBLEM SOLVING. а The random variable X, representing the number of nuts in a chocolate bar has the following probability distribution. Compute the variance and standard deviation. Х P(X) X. P(X) X-р (X - u)? (X - u)?.P(X) 1 1 11. 17. 22. 27. 10 3 N 12. 18. 23. 28. 10 3 3 10 13. 19. 24. 29. 4 2 14. 20. 25. 30. 10 1 5 10 15. 21. 26. 31. TOTAL 16. = 32.0? = 22 25 elfare De ​