Question 8 (1 point) A researcher wants to know if there is a clear leader among the five most popular manufacturers of laptop computers, or whether they are all about equally popular. He asks a random sample of 250 people which brand of computer they trust most. Which of the following are conditions that must be met in order to test this hypothesis using a chi-square test? I. Each respondent is randomly selected from the population. II. All expected cell counts are at least 5. Ill. The population is Normally distributed, or n is large enough for the central limit theorem to apply. O a I and Ill only Ob Il only O Il and Ill only O d I, II, and Ill O e I and Il only