Travel Time A travel agent plans trips for tourists from Chicago to Miami. He gives them three ways to get from town to town: airplane, bus, train. Once the tourists arrive, there are two ways to get to the hotel: hotel van or taxi. The cost of each type of transportation is given in the table below. Transportation Type Airplane Bus Cost $350 $150 $225 Train Hotel Van $60 $40 Тaxi 1. Draw a tree diagram to illustrate the possible choices for the tourists. Determine the cost for each outcome. 2. If these six outcomes are chosen equally by tourists, what is the probability that a randomly selected tourist travel in a bus? 3. What is the probability that a person's trip cost less than $300? 4. What is the probability that a person's trip costs more than $350? 5. If the tourists were flying to New York, the subway would be a third way to get to the hotel. How would this change the number of outcomes? Use the Fundamental Counting Principle to explain your answer.

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.