it belongs to Statistics

1. The weather forecaster reports that the probability of rain tomorrow is 10%. A. Which approach was used to arrive at this number? B. How do you interpret the probability? 2. Four candidates are running for mayor. The four candidates are Adams, Brown, Collins, and Dalton. Determine the sample space 3. Three airlines serve a small town in Ohio. Airline A has 50% of all the scheduled flights, airline B has 30%, and airline C has the remaining 20%. Their on-time rates are 80%, 65%, and 40% respectively. A plane hasjust left on time. What is the probability that it was airline A? 4. Pat Statsdud is a student taking a statistics course. Unfortunately, Pat is not a good student. Pat does not read the textbook before class, does not do homework, and regularly misses class. Pat intends to rely on luck to pass the next quiz. The quiz consists of 50 multiple choice questions. Each question has five possible answers, only one of which is correct. Pat plans to guess the answer to each question. A. What is the probability that Pat gets no answers correct? B. What is the probability that Pat gets ten answers correct