Question
Download Solution PDFএকটি যথেচ্ছ চলরাশির প্রত্যাশিত মান নির্ণয় করুন যেটির নিম্নলিখিত সম্ভাব্যতা বিভাজন আছে?
| X: | 2 | 4 | 6 | 8 | 10 |
| P: | 0.1 | 0.3 | 0.4 | 0.1 | 0.1 |
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFগণনা
আমরা যথেচ্ছ চলরাশির প্রত্যাশিত মান জানি
f(x) = ∑x i p i
যেখানে I = 1, 2, 3,-----n
f(x) = P1x1 + P2x2 + P3x3 + P4x4 + P5x5
⇒ f(x) = 0.1 × 2 + 0.3 × 4 + 0.4 × 6 + 0.1 × 8 + 0.1 × 10
⇒ 0.2 + 1.2 + 2.4 + 0.8 + 1
∴ f(x) = 5.6
Last updated on Jul 9, 2025
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