Question

A large supermarket carries four qualities of beef. Customers are believed to purchase these four qualities with probabilities of 0.10, 0.30, 0.35, and 0.25, respectively, from the least to most expensive. A sample of 500 purchases resulted in sales of 48, 162, 191, and 99 of respective qualities. Does this sample contradict the expected proportions? Use a) α = 0.05 b) α =0.025

Answer 1