Consider a multinomial experiment involving 160 trials 4 categories (cells). The observed frequencies resulting from the experiment are shown in the accompanying table. 
Use the 10% significance level to test the hypotheses: H 0: p 1 = p 2 = p 3 = p 4 = 0.25 vs. H 1: At least two proportions differ from their specified values.
Definitions:
Profit-Oriented
A business approach or objective focusing on generating financial gain and maximizing profit margins.
Competition-Oriented
A strategic approach focused on analyzing and reacting to the actions of competitors.
Demand-Oriented
An approach where pricing, production, and marketing decisions are based on consumer demand and preferences.
Predatory Pricing
A pricing strategy where a product or service is set at a very low price with the intent of driving competitors out of the market or creating barriers to entry for potential new entrants.
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