jaylaga47
22.06.2021 •
Mathematics
Cho biến ngẫu nhiên có phân phối xác suất
X 1 2 3 4
P 0,15 0,25 0,45 0,15
giá trị phương sai 2X-2
Solved
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Ответ:
Answer
so T=135
Step-by-step explanation
T(total)=30(Flat fee)+ 15x(x as in months)
T=30+15(7)
T=30+105
T=135