QUESTION 2 A. Helen bought some balloons for her nephew's birthday party. On the pack it was stated that the probability that each balloon will burst is 0.13.

(i) In a pack of 8 balloons what is the probability that at least 3 balloons will burst?

(ii) Helen wanted to provide enough balloons for her nephew's birthday party. If there are 40 children at the party, how many balloons should she blow so that each child will get at least 1 balloon.

(iii) What is the standard deviation of the number of balloons that will burst?