Question

4. Trials until First Success

On the average, how many times must a die be thrown until one gets a 6?

Answer 1

On average it's 6 as 6 sides a die has

But

• There is equal probability for each number while rolling a die .

i.e

There is 1/6 chances getting any number

Answer 2

6

Explanation:

There are 6 faces on a die so on average, one has to roll a fair die 6 times in order to get number 6 to show.