Plz help me with these questions

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

You borrow $25,000 to buy a boat. the simple interest rate is 4%. you pay the loan off after 10 years. what is the total amount you paid for the loan?