(20 points) Find appropriate distributions (discrete or continuous) for the following cases; indicate their parameters if you can. You have the following choice: binomial, Geometric, Poisson, normal, lognormal, exponential. 1. Terrorist attacks in a country occur with probability 2.5%/year, independently of previous years. Model the number of terrorist attacks in a century. 2. Model the time elapsed until the first terrorist attack above. 3. The stock is influenced by many independent factors, according to the Efficient Market Hypothesis. Model the stock price. 4. Five banks invest in five countries, each in a separate country. Each investment has positive or negative returns with probabilities 60% and 40%, respectively. Invest ment results are independent of each other. Model the number of countries wit positive returns. A molecule is randomly hit by many other molecules. The hits are independ from each other. Model the position of this molecule