Suppose income in a population is distributed according to a normal distribution with mean 50000 and standard deviation XXXXXXXXXXSuppose a person is chosen at random from the population. What is the...

Suppose income in a population is distributed according to a normal distribution with mean 50000 and standard deviation 20000. Suppose a person is chosen at random from the population. What is the probability that his/her income higher than 50000

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