The director of Washington County Animal Services wants to learn more about the adoptable pets in local animal
shelters.
Which of these methods will produce the most representative sample of the
population of adoptable pets at shelters in Washington County?
O A. The director visits each shelter and evaluates the first 10 cats in
each place.
B. The director selects adoptable pet ID numbers at random from
each shelter.
C. The director evaluates every adoptable pet at one selected shelter.
D. The director evaluates all adoptable rabbits at area shelters.

The vice president of programming at nbc is finalizing the prime-time schedule for the fall. she has decided to include a hospital drama but is unsure which of two possibilities to select. she has a pilot called the surgeon and another called critical care. to her make a final decision, a sample of 20 viewers from throughout the united states was asked to watch the two pilots and indicate which show they prefer. the results were that 12 liked the surgeon, 7 liked critical care, and one had no preference. state the decision rule, using the 0.10 significance level. h0: π = 0.50 h1: π ≠ 0.50 1. reject h0 if number of + signs is either < = or > = 2. what is your decision regarding h0? is there a preference for one of the two shows?