Question: I need perfect answer for this only i need final answer perfectly . Question 3 Given the probability density function f(=) = over the interval

I need perfect answer for this only i need final answer perfectly

. Question 3 Given the probability density function f(=) = over the interval [2, 7], find the expected value, 335 the mean, the variance and the standard deviation. Expected value: If needed, write your answer as a fraction. Mean: If needed, write your answer as a fraction. Variance: Use exact answers from previous parts to determine the variance. Standard Deviation

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