超几何分布批量质检

def solve():
    from scipy.stats import hypergeom
    import numpy as np
    import matplotlib.pyplot as plt
    M, K, n = ____, ____, ____
    print(____)
    print(____)
    k_vals = np.arange(____, ____)
    pmf_vals = hypergeom.pmf(____)
    plt.bar(____)
    plt.xlabel(____); plt.ylabel(____); plt.title(____)
    plt.tight_layout(); plt.show()