It is known through data collection and considerable research that the amount of time in seconds that. a certain employee of a company is late for work is a random variable X with density function In other words, he is not only slightly late at times, but also can be early to work.(a) Find the expected value of the time in seconds that he: is late.(b) Find E(X2).(c) What is the standard deviation of the time he islate?

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