How will the following HTML code snippet be displayed in a browser?
<p><samp>Program output:</samp> Hello World</p>
'Program output:' and 'Hello World' will be displayed in bold.
'Program output:' and 'Hello World' will be displayed as normal text.
'Program output:' will be displayed as normal text and 'Hello World' as in a code editor.
'Program output:' will be displayed with a style that simulates terminal output and 'Hello World' as normal text.