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7.11:章节解决方案(练习 + 作业)

  • Page ID
    204902
  • \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\)

    1

    1. 3

      0.0003

      25.07

      7

      1. 9

        2,507.40

        1. 13

          \(N(10, \frac{10}{8}))\)

          0.7799

          17

          1.69

          19

          0.0072

          21

          391.54

          23

          405.51

          25

          均值 = 25,标准差 = 2/7

          26

          均值 = 48,标准差 = 5/6

          27

          平均值 = 90,标准差 = 3/4

          28

          均值 = 120,标准差 = 0.38

          29

          均值 = 17,标准差 = 0.17

          30

          预期值 = 17,标准差 = 0.05

          31

          预期值 = 38,标准差 = 0.43

          32

          预期值 = 14,标准差 = 0.65

          33

          0.23

          34

          0.060

          35

          1/5

          36

          0.063

          37

          1/3

          38

          0.056

          39

          1/10

          40

          0.042

          41

          0.999

          42

          0.901

          43

          0.301

          44

          0.832

          45

          0.483

          46

          0.500

          47

          0.502

          48

          0.519

          49

          1. 51
            1. 53
              1. 55
                1. 57
                  1. 59

                    b

                    64

                    61

                    1. 62

                      400

                      2.5

                      64

                      25

                      65

                      0.0087

                      66

                      0.0064、0.0064

                      67

                      1. 68
                        1. 69
                          1. 70

                            0.955

                            0.927

                            72

                            0.648

                            73

                            0.101

                            74

                            0.273