Find the expected value of a random variable x having the
following probability distribution.
X
0
1
2
3
4
5
Probability
1/8
1/4
3/16
1/4
1/16
1/8

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

If there are 3.281 feet in 1 meter, how many inches are in one centimeter