Question
Download Solution PDFद्विपद वितरण में, माध्य
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFअवधारणा:
प्रायिकता के द्विपद वितरण के लिए
- माध्य = np
- विचरण = npq
जहाँ n कुल मामलों की संख्या है, p अनुकूल मामलों की प्रायिकता है और q प्रतिकूल मामलों (1 - p) की प्रायिकता है
गणना:
दिया गया है कि माध्य = np =
q =
p = 1 - q =
np =
n = 4
∴ प्रायिकता है कि यादृच्छिक चर D = 2
P =
P =
P =
P =
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