Q4Multiple choice
An experiment consists of rolling a die until a 2 appears.
- (i)How many elements of the sample space correspond to the event that the 2 appears on the kth roll of the die? PROBABILITY 297
- (ii)How many elements of the sample space correspond to the event that the 2 appears not later than the kth roll of the die? [Hint:(a) First (k – 1) rolls have 5 outcomes each and kth rolls should result in 1 outcomes. (b)1 + 5 + 52 + ... + 5k–1.]