andrew put some business cards into a basket. then, he drew 7 business cards out of the basket. is this…

andrew put some business cards into a basket. then, he drew 7 business cards out of the basket. is this sample of the business cards in the basket likely to be biased? yes no
Answer
Brief Explanations:
Since no random - sampling method is mentioned, just drawing 7 cards may not represent the whole population of business cards in the basket, so it is likely to be biased.
Answer:
yes