Suppose Colby rolls the number cube 100 times. About how many times can she expect to roll a 2?
1 Answer
Aug 11, 2016
About 16 or 17 times.
Explanation:
The probability of throwing any number (like 2)on a die is
This means that in 6 throws we would expect to get one 2.
In 100 throws we would expect a 2 once in every 6 throws, or one sixth of the throws.
Colby can expect a 2 about 16 or 17 times.