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VCE Stuff => VCE Mathematics => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Mathematical Methods CAS => Topic started by: Inside Out on October 31, 2011, 05:48:21 pm

Title: Tssm exam2 2011 question 2e and h
Post by: Inside Out on October 31, 2011, 05:48:21 pm

2e - i dont get it.       2h. How come they used expected value not average value method when the question asks for average life?

Title: Re: Tssm exam2 2011 question 2e and h
Post by: Asx4Life on October 31, 2011, 08:36:30 pm

I thought expected value was average value in probability terms? Otherwise, how did you find the average life?

Title: Re: Tssm exam2 2011 question 2e and h
Post by: Inside Out on October 31, 2011, 10:01:36 pm

The 1/ b-a antidiff fx, a,b.  Way