\documentclass[tikz,border=5pt]{standalone}
\usepackage{amsmath, amssymb, amsthm,amsfonts, bm}
\usepackage{tikz}
\usetikzlibrary{arrows, automata,positioning,calc,shapes,decorations.pathreplacing,decorations.markings,shapes.misc,petri,topaths}
\usepackage{pgfplots}
\pgfplotsset{compat=newest}
\usetikzlibrary{plotmarks}
\pgfplotsset{
tick label style={font=\scriptsize},
label style={font=\footnotesize},
legend style={font=\footnotesize},
every axis plot/.append style={very thick}
}
\usepackage{xcolor}
\definecolor{darkgray176}{RGB}{176,176,176}
\definecolor{darkorange25512714}{RGB}{255,127,14}
\definecolor{forestgreen4416044}{RGB}{44,160,44}
\definecolor{gray}{RGB}{128,128,128}
\definecolor{lightgray204}{RGB}{204,204,204}
\definecolor{sienna1408675}{RGB}{140,86,75}
\begin{document}
\begin{tikzpicture}[scale=0.9]
\begin{axis}[
legend cell align={left},
legend style={fill opacity=1, draw opacity=1, text opacity=1, draw=lightgray204},
tick align=outside,
tick pos=left,
x grid style={darkgray176},
xlabel={\(\displaystyle \vartheta\)},
xmin=0.43, xmax=1,
xtick style={color=black},
y grid style={gray},
ylabel={\(\displaystyle p_\text{quit}(\alpha=2,\beta=2,c=1,r=1,\vartheta)\)},
ymajorgrids,
ymin=-0.05, ymax=1.1,
ytick style={color=black}
]
\addplot [thick, black, dashed] coordinates {
(0.1, 1) (0.5008, 0.9967) (0.5035, 0.9857) (0.5063, 0.9750) (0.5090, 0.9644) (0.5117, 0.9539) (0.5144, 0.9436) (0.5171, 0.9335) (0.5198, 0.9235) (0.5225, 0.9137) (0.5251, 0.9040) (0.5278, 0.8945) (0.5304, 0.8850) (0.5330, 0.8758) (0.5357, 0.8666) (0.5383, 0.8576) (0.5408, 0.8487) (0.5434, 0.8400) (0.5460, 0.8314) (0.5485, 0.8228) (0.5511, 0.8144) (0.5536, 0.8062) (0.5561, 0.7980) (0.5586, 0.7899) (0.5611, 0.7820) (0.5636, 0.7741) (0.5661, 0.7664) (0.5685, 0.7588) (0.5710, 0.7512) (0.5734, 0.7438) (0.5758, 0.7365) (0.5782, 0.7292) (0.5806, 0.7221) (0.5830, 0.7150) (0.5854, 0.7080) (0.5878, 0.7011) (0.5901, 0.6943) (0.5925, 0.6876) (0.5948, 0.6810) (0.5971, 0.6745) (0.5995, 0.6680) (0.6018, 0.6616) (0.6041, 0.6553) (0.6063, 0.6491) (0.6086, 0.6429) (0.6109, 0.6368) (0.6131, 0.6308) (0.6154, 0.6249) (0.6176, 0.6190) (0.6198, 0.6132) (0.6220, 0.6075) (0.6242, 0.6018) (0.6264, 0.5962) (0.6286, 0.5907) (0.6308, 0.5852) (0.6329, 0.5798) (0.6351, 0.5744) (0.6372, 0.5692) (0.6393, 0.5639) (0.6415, 0.5588) (0.6436, 0.5536) (0.6457, 0.5486) (0.6478, 0.5436) (0.6499, 0.5386) (0.6519, 0.5338) (0.6540, 0.5289) (0.6560, 0.5241) (0.6581, 0.5194) (0.6601, 0.5147) (0.6621, 0.5101) (0.6642, 0.5055) (0.6662, 0.5010) (0.6682, 0.4965) (0.6701, 0.4920) (0.6721, 0.4876) (0.6741, 0.4833) (0.6761, 0.4790) (0.6780, 0.4747) (0.6800, 0.4705) (0.6819, 0.4664) (0.6838, 0.4622) (0.6857, 0.4582) (0.6876, 0.4541) (0.6895, 0.4501) (0.6914, 0.4461) (0.6933, 0.4422) (0.6952, 0.4383) (0.6970, 0.4345) (0.6989, 0.4307) (0.7007, 0.4269) (0.7026, 0.4232) (0.7044, 0.4195) (0.7062, 0.4158) (0.7080, 0.4122) (0.7098, 0.4086) (0.7116, 0.4051) (0.7134, 0.4015) (0.7152, 0.3980) (0.7205, 0.3878) (0.7309, 0.3681) (0.7409, 0.3495) (0.7507, 0.3319) (0.7603, 0.3152) (0.7711, 0.2968) (0.7801, 0.2818) (0.7902, 0.2653) (0.8001, 0.2498) (0.8109, 0.2330) (0.8201, 0.2192) (0.8303, 0.2043) (0.8400, 0.1903) (0.8506, 0.1755) (0.8608, 0.1617) (0.8705, 0.1487) (0.8808, 0.1352) (0.8907, 0.1226) (0.9001, 0.1108) (0.9100, 0.0987) (0.9203, 0.0865) (0.9307, 0.0743) (0.9406, 0.0631) (0.9506, 0.0519) (0.9605, 0.0410) (0.9705, 0.0303) (0.9802, 0.0201) (0.9903, 0.0097) (1.0, 0)
};
\addlegendentry{Single}
\addplot [thick, forestgreen4416044, dotted] coordinates {
(0.1, 1) (0.5, 1) (0.55, 0.6475) (0.6, 0.429) (0.66, 0.2485) (0.72, 0.1385) (0.78, 0.0725) (0.84, 0.0305) (0.9, 0.0105) (1, 0)
};
\addlegendentry{OR}
\addplot [thick, darkorange25512714] coordinates {
(0.1, 1) (0.5, 1) (0.55, 0.7968) (0.6, 0.6492) (0.66, 0.4932) (0.72, 0.3703) (0.78, 0.272) (0.84, 0.1855) (0.9, 0.1128) (1, 0)
};
\addlegendentry{OA}
\foreach \x/\y/\lo/\hi in {
0.45/0.9995/0.9988/1.0002,
0.55/0.8075/0.7952/0.8197,
0.60/0.6692/0.6546/0.6837,
0.66/0.5175/0.5020/0.5329,
0.72/0.3895/0.3743/0.4046,
0.78/0.2882/0.2741/0.3022,
0.84/0.1982/0.1858/0.2105,
0.90/0.1192/0.1091/0.1292
} {
\addplot [semithick, black, forget plot] coordinates {(\x, \lo) (\x, \hi)};
\addplot [semithick, black, forget plot] coordinates {(\x-0.01, \lo) (\x+0.01, \lo)};
\addplot [semithick, black, forget plot] coordinates {(\x-0.01, \hi) (\x+0.01, \hi)};
\addplot [semithick, black, mark=*, mark size=2, only marks, forget plot] coordinates {(\x, \y)};
}
\foreach \x/\y/\lo/\hi in {
0.45/0.9995/0.9988/1.0002,
0.55/0.6475/0.6326/0.6623,
0.60/0.429/0.4136/0.4443,
0.66/0.2485/0.2351/0.2618,
0.72/0.1385/0.1277/0.1492,
0.78/0.0725/0.0644/0.0805,
0.84/0.0305/0.0251/0.0358,
0.90/0.0105/0.0073/0.0136
} {
\addplot [semithick, forestgreen4416044, forget plot] coordinates {(\x, \lo) (\x, \hi)};
\addplot [semithick, forestgreen4416044, forget plot] coordinates {(\x-0.01, \lo) (\x+0.01, \lo)};
\addplot [semithick, forestgreen4416044, forget plot] coordinates {(\x-0.01, \hi) (\x+0.01, \hi)};
\addplot [semithick, forestgreen4416044, mark=*, mark size=2, only marks, forget plot] coordinates {(\x, \y)};
}
\foreach \x/\y/\lo/\hi in {
0.45/0.9992/0.9983/1.0000,
0.55/0.7968/0.7843/0.8092,
0.60/0.6492/0.6344/0.6639,
0.66/0.4932/0.4777/0.5086,
0.72/0.3703/0.3553/0.3852,
0.78/0.272/0.2582/0.2857,
0.84/0.1855/0.1734/0.1975,
0.90/0.1128/0.1029/0.1226
} {
\addplot [semithick, darkorange25512714, forget plot] coordinates {(\x, \lo) (\x, \hi)};
\addplot [semithick, darkorange25512714, forget plot] coordinates {(\x-0.01, \lo) (\x+0.01, \lo)};
\addplot [semithick, darkorange25512714, forget plot] coordinates {(\x-0.01, \hi) (\x+0.01, \hi)};
\addplot [semithick, darkorange25512714, mark=*, mark size=2, only marks, forget plot] coordinates {(\x, \y)};
}
\end{axis}
\end{tikzpicture}
\end{document}