12.15 Solutions to Matrix Test 2A

Note: The first question on this test is about a meteorologist.

1. 1.  
      

   2. .4
      

   3. .29
      

   4.  
      

   5.  
      

   6.   where n is large.
      

   7. The weather will be sunny 37.5% of the time, cloudy 30.2 of the time, and rainy 32.3% of the time regardless of today's weather.
      

2. -.5x + 2.1
   

3. -3.3x² - 2.0x + 5.1
   

4. 1.  
      

   2.  
      

   3.   and