/usr/include/boost/math/distributions/ is in libboost1.58-dev 1.58.0+dfsg-5ubuntu3.
This file is owned by root:root, with mode 0o755.
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/usr/include/boost/math/distributions/arcsine.hpp
/usr/include/boost/math/distributions/bernoulli.hpp
/usr/include/boost/math/distributions/beta.hpp
/usr/include/boost/math/distributions/binomial.hpp
/usr/include/boost/math/distributions/cauchy.hpp
/usr/include/boost/math/distributions/chi_squared.hpp
/usr/include/boost/math/distributions/complement.hpp
/usr/include/boost/math/distributions/detail/
/usr/include/boost/math/distributions/detail/common_error_handling.hpp
/usr/include/boost/math/distributions/detail/derived_accessors.hpp
/usr/include/boost/math/distributions/detail/generic_mode.hpp
/usr/include/boost/math/distributions/detail/generic_quantile.hpp
/usr/include/boost/math/distributions/detail/hypergeometric_cdf.hpp
/usr/include/boost/math/distributions/detail/hypergeometric_pdf.hpp
/usr/include/boost/math/distributions/detail/hypergeometric_quantile.hpp
/usr/include/boost/math/distributions/detail/inv_discrete_quantile.hpp
/usr/include/boost/math/distributions/exponential.hpp
/usr/include/boost/math/distributions/extreme_value.hpp
/usr/include/boost/math/distributions/find_location.hpp
/usr/include/boost/math/distributions/find_scale.hpp
/usr/include/boost/math/distributions/fisher_f.hpp
/usr/include/boost/math/distributions/fwd.hpp
/usr/include/boost/math/distributions/gamma.hpp
/usr/include/boost/math/distributions/geometric.hpp
/usr/include/boost/math/distributions/hyperexponential.hpp
/usr/include/boost/math/distributions/hypergeometric.hpp
/usr/include/boost/math/distributions/inverse_chi_squared.hpp
/usr/include/boost/math/distributions/inverse_gamma.hpp
/usr/include/boost/math/distributions/inverse_gaussian.hpp
/usr/include/boost/math/distributions/laplace.hpp
/usr/include/boost/math/distributions/logistic.hpp
/usr/include/boost/math/distributions/lognormal.hpp
/usr/include/boost/math/distributions/negative_binomial.hpp
/usr/include/boost/math/distributions/non_central_beta.hpp
/usr/include/boost/math/distributions/non_central_chi_squared.hpp
/usr/include/boost/math/distributions/non_central_f.hpp
/usr/include/boost/math/distributions/non_central_t.hpp
/usr/include/boost/math/distributions/normal.hpp
/usr/include/boost/math/distributions/pareto.hpp
/usr/include/boost/math/distributions/poisson.hpp
/usr/include/boost/math/distributions/rayleigh.hpp
/usr/include/boost/math/distributions/skew_normal.hpp
/usr/include/boost/math/distributions/students_t.hpp
/usr/include/boost/math/distributions/triangular.hpp
/usr/include/boost/math/distributions/uniform.hpp
/usr/include/boost/math/distributions/weibull.hpp