设二维连续随机变量 [tex=2.643x1.357]DJUMdJyw8QoCXHzomLtAYg==[/tex] 的联合密度函数为[tex=12.857x2.929]dP4cQckxhVALWt3v5f2JJmWueuDHmLR3eHRTmUaCdECVN7O56gfVZHnp3h00kks9fJVEfCNVF6CMswkBxQHsUzyjjdd4FXJj9gv0Ycc+EZE=[/tex]试求 [tex=5.286x1.357]ejJWNrXbSmGu5agSmFj+0d9/qI47GLm4JsEgF9xYstc=[/tex].
举一反三
- 设二维连续随机变量[tex=2.5x1.357]PWg5V4GQQafckGNgbx6gmw==[/tex] 的联合密度函数为[tex=13.714x2.929]k577xRm0ZOCUJhn0k/ylevdeQMRjBzLLf+gr+H41+NAf7ns8LusJZWhyUnYsA+V5o1LhHP0LJ7/PAg52LHn/W3mQL6E5VfHgPXm6IfUj5FqnxgVh7q0Du3nAC/wEuj8kUhEOLeluNkXH80a2y/zUow==[/tex]试求[tex=5.857x1.357]ejJWNrXbSmGu5agSmFj+0d9/qI47GLm4JsEgF9xYstc=[/tex]
- 【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=
- 设二维随机变量 [tex=2.643x1.357]DJUMdJyw8QoCXHzomLtAYg==[/tex] 的联合密度函数为[tex=11.214x2.929]dP4cQckxhVALWt3v5f2JJjWK/stm4yhCuvlSJ6VDu9hxdhvPYPTt6NODS5Ia7t4+l4XUILYhbpri+riFUyxps8sbnmxil1mOMW+6ofy1LNc=[/tex]试求 [tex=5.429x1.357]D860cjazeUYeZ5aHFFLtW1Qq33FXkzeHuIIgL+gFJUo=[/tex]
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为？ A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- 设随机变量 [tex=2.643x1.357]DJUMdJyw8QoCXHzomLtAYg==[/tex] 的联合密度函数为[tex=19.357x2.929]dP4cQckxhVALWt3v5f2JJtFYbyeKLfBXPSVp7+NnFdo84f9X1DLKQtaNLLZ+gM2M74u8fNXeRjfLU+DXwnLnd7kFhQ731EEvWVhZnxQEQj8=[/tex]试求 [tex=7.214x1.357]MloZ7DC684fd8Xr1alJsoA==[/tex];