If you really want to know How to make macOS Mojave bootable USB read this. It’s easy… At this time Mojave is a newest macbook operating system.
1. Run the Terminal, enter sudo and do not forget to put a space
2. Right-click on the file with the macOS Mojave image and select “Show package contents”. In the opened window, find the file createinstallmedia and drag it to the Terminal window.
3. Next, type the command – -volume, put a space and drag the icon of the flash drive created in the Terminal window.
4. Type the command – -applicationpath, put a space, drag the image from the macOS Mojave into the Terminal window.
5. Press Enter. To confirm the action, use the Y button
Now it is necessary to wait fairly – the creation procedure takes quite a lot of time, on average, from 10 to 30 minutes.
This is a newest os for macbook pro 2015.