5 A company set up a display consisting of 20 fireworks. For each firework, the probability that it fails to work is 0.05 , independently of other fireworks.
- Find the probability that more than 1 firework fails to work.
The 20 fireworks cost the company \(
) 24\( each. 450 people pay the company \)\\( 10\) each to watch the display. If more than 1 firework fails to work they get their money back. - Calculate the expected profit for the company.