[CentOS] Shell Script Help

Matt wrote:
> I have a script file in my cron.hourly that contains a good number of
> scripts I must call.
>
> #!/bin/sh
>
> sleep 15
> perl /scripts/create_graph.pl &
>
> sleep 15
> perl /scripts/create_graph_out.pl &
>
> many more lines. etc.
>
> Is there a way I can sleep random length to time before executing each
> but background each one so master script returns promptly.  Something
> like.

sleep 15 && perl /scripts/create_graph.pl &
should return promptly, another reply addresses the random part.