Suppose the proportion X of surface area in a randomly selected quadrate that is covered by a certain plant has a standard beta distribution with 5 and 2. a. Compute E(X) and V(X). b. Compute P(X .2). c. Compute P(.2 X .4). d. What is the expected proportion of the sampling region not covered by the plant?

Statistics 41 Week 2 Chapter 2 Part 2 ▯Continuous variables: can be any value in an interval ▯Histogram: a g raph ith bars of equal widths ▯Scatterplot: shows the relationship between numerical values with points on an x and y axis ▯Midpoint: the middle point between upper and lower bounds of each class ▯Line chart: uses a scatterplot with the horizontal axis representing the time variable and the vertical axis epresenting the other Chapter 3 Part 1 ▯Mean: the average of all data, found by adding all of the