Consider the following hypotheses: h0: mean = 5 h1: mean < 5 a test is performed with a sample of size 9. the sample mean was 4.37 with a sample standard deviation of 1.6 . assume that the population is approximately normal. use the ti-84 plus calculator to compute the p-value.

Read this passage from "the city without us" by alan weisman: which statement best explains how the structure of the passage supports the author's purpose? a. the passage traces several events in the order that they will occur to highlight how nature conquers human civilization. b. the passage shows that natural forces such as an absence of predators and an increase in the squirrel population can lead to destructive results. c. the passage shows that natural forms such as an absence of predators and human hunters can lead to the reforestation of new york city. d. the passage identifies how two natural forces are co-dependent - the deforestation of new york and the extinction of squirrels.