# Calcular la probabilidad por integración # Calcular la probabilidad por integración integrate(df, lower = 1, upper = 10, df1 = 4, df2 = 5)$value test_function("integrate", args = c("f", "lower", "upper", "df1", "df2")) test_output_contains("integrate(df, lower = 1, upper = 10, df1 = 4, df2 = 5)$value")