A company surveyed 1000 people on their age and the number of jeans purchased annually. The results of the poll are shown in the table.   Jeans Purchased Annually     0 1 2 3 or More Total Under 12  0     57     79     54        190  12-18  28     86     97     69        280  19-25  30     51     119     50        250  over 25  40     75     154     11        280  Total  98     269     449     184        1000  A person is selected at random. Use the table to answer these questions. Round your answers to three decimal places.(a) What is the probability that the person, who is over 18, purchases 2 pairs of jeans annually? (b) What is the probability that a person who purchased less than 3 pairs of jeans each year will be in the age group 12-18?

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A company surveyed 1000 people on their age and the number of jeans purchased annually. The results of the poll are shown in the table.

  Jeans Purchased Annually  
  0 1 2 3 or More Total
Under 12  0     57     79     54        190 
12-18  28     86     97     69        280 
19-25  30     51     119     50        250 
over 25  40     75     154     11        280 
Total  98     269     449     184        1000 
A person is selected at random. Use the table to answer these questions. Round your answers to three decimal places.

(a) What is the probability that the person, who is over 18, purchases 2 pairs of jeans annually?
 

(b) What is the probability that a person who purchased less than 3 pairs of jeans each year will be in the age group 12-18?
 
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