Use a spreadsheet to determine the smallest number of flips of a fair coin needed to be 99% sure that at least two heads will come up. Use a spreadsheet to determine the smallest number of tosses of a...

Use a spreadsheet to determine the smallest number of flips of a fair coin needed to be 99% sure that at least two heads will come up.

Use a spreadsheet to determine the smallest number of tosses of a pair of fair dice needed to be 99% sure that the event “the sum of the dice is 7” occurs at least three times.