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I didn't know if i can post this here but i want to know a mathematical formula:

On a dryer there are 4 programs:

  • A = We win 2min/cycle
  • B = We win 3min/cycle
  • C = We win 2min/cycle
  • D = We win 16min/cycle We make 50 cycle per day.

But the problem for my Mathematical formula is : A program is not used as much as the others :

  • 79 % Program A
  • 6 % Program B
  • 5 % Program C
  • 11 % Program D

So i want determinate how mins/hours i win per day.

I didn't ask to resolve my calcul, but a mathematical formula for do it.

Thank you.

CBJul
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  • Do you mean something like $50 \times \sum_{i=1}^n (P[X=i] \times W_i)$, with $X, i$ the type of program and $W_i$ the minutes won by this program? – jvdhooft May 28 '17 at 15:42
  • I've try this but i didn't use the percent use program in this equation. – CBJul May 28 '17 at 15:50
  • Filling in the specific values you mentioned, the above formula evaluates to $50 \times (0.79 \times 2 + 0.06 \times 3 + 0.05 \times 2 + 0.11 \times 16) = 181$. – jvdhooft May 28 '17 at 15:54
  • Oh, i didn't understand this :) Thank you a lot – CBJul May 28 '17 at 15:57

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