单样本t检验工资大于5美元

def solve():
    import pandas as pd
    import matplotlib.pyplot as plt
    from scipy import stats
    url = '____'
    df = pd.read_csv(____)
    t, p2 = stats.ttest_1samp(____)
    print(____)
    print(____)
    plt.hist(____)
    plt.axvline(____, color='____', ls='____', lw=____, label='____')
    plt.axvline(df['____'].mean(), color='____', ls='____', lw=____, label=f'____')
    plt.xlabel(____); plt.ylabel(____); plt.title(____); plt.legend()
    plt.tight_layout(); plt.show()