This table shows the probability distribution of scores on the 2010 AP Statistics exam. Use the distribution to calculate the expected score of a randomly-selected score. Round the answer to the nearest tenth.

x p(x)
5 0.128
4 0.224
3 0.235
2 0.182
1 0.231

Question

This table shows the probability distribution of scores on the 2010 AP Statistics exam. Use the distribution to calculate the expected score of a randomly-selected score. Round the answer to the nearest tenth.



x	p(x)
5	0.128
4	0.224
3	0.235
2	0.182
1	0.231

anonymous · Answer

Answer choices

  
1


      
2.8


      
3.5


      
4.1

ilovecake · Answer

I am not sure but either 2.8 or 4.1