Question: I've never seen a problem like this.... How do I find expected value, variance and standard deviation? 35 / 710 students going to college 5090

I've never seen a problem like this.... How do I find expected value, variance and standard deviation?

35 / 710 students going to college 5090 201 70 = 28. 57 1 0 001) 3 The random vanable t has the following probability distribution X 3 P(X) 70 TO TO To To DO DOC al what is the expected vame E ( x) ? whododown to b ) what is the vanance V (x) ? ( ) what is the standard deviation o

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