2
3. compute mean, variance, and standard deviation for the following probability
distribution (do calculations in fractional form).
0
8/27
1
12/27
2
6/27
3
1/27
p(x)
h(x) =
(2points)
o'(x) =
(4 points)
g(x) =
(1 point)

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

When a 757 passenger jet begins its descent to the ronald reagan national airport in washington, d.c., it is 3900 feet from the ground. its angle of descent is 6 degrees. how far must the plane fly to reach the run way? a. 37,106 ft b. 37,310.4 ft c. 23,456.6 ft d 2,492.7 ft

Simplify the expression below -3(10x+4y)+6(6x-2y)