यदि एक असंतत यादृच्छिक चर (discrete random variable) X एक प्वासों वितरण (Poisson distribution) का इस प्रकार अनुसरण करता है कि P(X = 1) = 4 × P(X = 2) है, तो X का प्रसरण (variance) क्या है?

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?