Question

In: Statistics and Probability

The owner of a restaurant that serves Continental-style entrées has the business objective of learning more...

The owner of a restaurant that serves Continental-style entrées has the business objective of learning more about the patterns of patron demand during the Friday-to-Sunday weekend time period. She decided to study the i.) demand for dessert during this time period, ii.) the gender of the individual, and iii.) whether or not a beef entrée was ordered. Data were collected from 630 customers and organized in the following contingency tables:

gender

dessert ordered male female total
yes 50 96 146
no 250 234 484
total 300 330 630

beef entree

dessert ordered yes no total
yes 74 68 142
no 123 365 488
total 197 433 630

1. At the ? = 0.05 level of significance, is there evidence of a difference between males and females in the proportion who order dessert?

2. At the ? = 0.05 level of significance, is there evidence of a difference in the proportion who order dessert based on whether a beef entrée was ordered?

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