평균 당첨금액이니까 당첨인원들로 나눠야지
확률변수X : 1000000,5000000,1000000,100000,1000,3000000 P(X=x) : 1/119,2/119,5/119,10/119,100/119,1/119 10000000/119 + 10000000/119 + 5000000/119 + 1000000/119 + 100000/119 + 3000000/119 평균값 24만4538원
평균 당첨금액이니까 당첨인원들로 나눠야지
확률변수X : 1000000,5000000,1000000,100000,1000,3000000 P(X=x) : 1/119,2/119,5/119,10/119,100/119,1/119 10000000/119 + 10000000/119 + 5000000/119 + 1000000/119 + 100000/119 + 3000000/119 평균값 24만4538원