The mississippi watershed is the largest in north america, draining all or part of thirty-two states in the united states and two canadian provinces. a new apartment complex is being built on a steep slope near the source of the mississippi river outside of minneapolis, minnesota. which of the following measures should be taken to best reduce erosion at the construction site to protect the mississippi watershed?
add a paved surface at the top of the slope.

a
add a paved surface at the top of the slope.

b remove trees and shrubs from the slope and the riverbank.

c move all of the topsoil from the site to the riverbank.

d plant grass and shrubs on the slope.

In a recent telephone survey, 5,000 randomly selected teenagers were asked to cite their primary social network site. six of 10 teenagers said they use mybook as their primary social network site. a 95% confidence interval to estimate the true proportion of teenagers who use mybook as their primary social network site is found to be (0.2964, 0.9036). which of the following is a correct interpretation of the confidence level? ninety-five percent of all samples of this size would yield a confidence interval of (0.2964, 0.9036). there is a 95% chance that the true proportion of teenagers who use mybook as their primary social network site is in the interval (0.2964, 0.9036). ninety-five percent of the time, the procedure used to generate this interval will capture the true proportion of teenagers who use mybook as their primary social network site. ninety-five percent of all the samples of size 5,000 lie in the confidence interval (0.2964, 0.9036).