Question: In February 2002 the Argentine peso lost 70% of its value compared to the United States dollar. This devaluation drastically raised the price of imported products. According to a survey conducted by AC Nielsen in April 2002, 68% of the consumers in Argentina were buying fewer products than before the devaluation, 24% were buying the same number of products, and 8% were buying more products. Furthermore, in a trend toward purchasing less-expensive brands, 88% indicated that they had changed the brands they purchased. Suppose the following complete set of results were reported. Use the following data to answer the questions posed below.

1. What is the probability that a consumer selected at random purchased fewer products than before? Place your answer, rounded to 4 decimal places, in the space.
2. What is the probability that a consumer selected at random purchased the same number or more products than before? Place your answer, rounded to four decimal places, in the space below.
3. What is the probability that a consumer selected at random purchased fewer products than before and changed brands? Place your answer, rounded to four decimal places, in the space below.
4. Given that a consumer changed brands, what then is the probability that the consumer purchased fewer products than before? Place your answer, rounded to four decimal places, in the space below.

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