Her boss picked Brenda at random.
Winners will be drawn at random by computer on the specified date.
And if there were more of those monstrous spiders on board, she probably did not want to wander around opening doors at random.
On average you'll win more by following a good tipster than by betting completely at random.
But, secondly, the pneumatic utterances technically known as speaking with tongues failed to reach this level of intelligibility; for Paul compares "a tongue" to a material object which should merely make a noise, to a pipe or harp twanged or blown at random without tune or time, to a trumpet blaring idly and not according to a code of signal notes.