Question

20. THOUGHT PROVOKING There are 100 coins in a bag.

Only one of them has a date of 2010. You choose
a coin at random, check the date, and then put the
coin back in the bag. You repeat this 100 times. Are
you certain of choosing the 2010 coin at least once?
Explain your reasoning.

Answer 1

yes

Explanation:

yes, because there is a 99/1 chance. also, you can put 50 2010 coins in.