Withdrawal symptoms may occur when a person using a painkiller suddenly stops using it. For a special type of painkiller, withdrawal symptoms occur in5%of the cases. Consider a random sample of1900people who have stopped using the painkiller.

1. Find the mean ofp, wherepis theproportion of people in the sample who experience withdrawal symptoms.
2. Find the standard deviation ofp.
3. Compute an approximation forP ( p > 0.04), which is the probability that more than4%of those sampled experience withdrawal symptoms. Round your answer to four decimal places.

1. ________
2. _________
3. __________