Given the probability density function f(x) = over the 4 interval [1, 5], find the expected value, the mean, the variance and the standard deviation. Expected value: Mean: Variance: Standard Deviation:

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A: This question is based on Partial diffrentiation.

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A: As we know that the number of roots is equal to the highest power of the polynomial.

Q: please check my work for this problem. thank you.

A: Yes your work is correct. Well done.

Q: please explain how to solve this problem

A: *used power rule

Q: Sorry? Could you please write down the solutions? I cannot understand in this form.

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Q: Can you please show how to solve for x and y in step 4.

A: We have to solve for x and y value given in step 4.

Q: Can you help me solve that problems

A: We’ll answer the first question (#4) since the exact one wasn’t specified. Please submit a new…

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Q: I keep getting stuck trying to solve this please help

A: Recall the following fact.

Q: Can you help me solve #5

A: Given: function and interval.