Double random numbers using rand()

I have a code that generates random double numbers but how do I make it generate the random numbers as such? 10.00 instead of 10.0000 (too many 0's!)

            if (newmonster.gethealth() < 1)
            {
                random_device rd;
                mt19937 gen(rd());
                uniform_real_distribution<> rand(3.00, 6.00);
                double amount = rand(gen);
                newplayer.playercash += amount;
                cout << "You have killed a Level " << newmonster.getlevel() << " " << newmonster.getname() << ". You've earned $" << amount << " cash." << endl;
                newmonster.monsterspawned = 0;
                goto home;
            }

More clearly, here is what I want the script to do: