## K.Binks one year ago 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

1. kropot72

$\large E(X)=\sum_{}^{}xp(x)$ $\large =1\times0.231+2\times0.182+3\times0.235+4\times0.224+5\times0.128=?$

2. kropot72

@K.Binks Are you there?

3. K.Binks

I'm sorry! Didn't see your post. Could you explain this to me?

4. K.Binks

nvrmd I got it

5. kropot72

You can calculate it on a reasonably good calculator. What is your result?