3) Let X be random variable represents the weights of the vehicles follows the normal distribution with mean B kg and standard deviation A kg. Find the probability that value taken by X is a. Find the probability that X less than (B+ 20) kg. b. Find the probability that X greater than (B- 20) kg. c. Find the weights in kg that 95% of the vehicles exceed? Note that: A is first two-digit number (before English alphabet letter) from your college ID. B is last four-digit number (after English alphabet letter) from your college ID. For example, if your MEC ID is 16F23451, then A = 16 and B 3451

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