Marketing and Consumer Behavior According to a Rasmussen Report, 58% of American adults dine out at least once per week.8 Consequently, customers are quick to voice dissatisfaction when their dining experience is unpleasant. A random sample of diners was obtained and asked to name their most common restaurant complaint. The results and the hypothesized proportions are given in the following table.

Conduct a goodness-of-fit test to determine whether any of the true population proportions differs from the hypothesized proportion. Use a = 0.05.