Solution) The owner of a restaurant serving Continental-style entrees was interested in studying ordering
Question: 51. The owner of a restaurant serving Continental-style entrees was interested in studying ordering patterns of patrons for the Friday-to-Sunday weekend time period. Records were maintained that indicated the demand for dessert during the same time period. The owner decided to study two other variables, along with whether a dessert was ordered: the gender of the individual and whether a beef entree was ordered. The results are as follows:
DESSERT ORDERED | GENDER | ||
Male | Female | Total | |
Yes | 96 | 40 | 136 |
No | 224 | 240 | 464 |
Total | 320 | 280 | 600 |
BEEF ENTREE | |||
DESSERT ORDERED | Yes | No | Total |
Yes | 71 | 65 | 136 |
No | 116 | 348 | 464 |
Total | 187 | 413 | 600 |
A waiter approaches a table to take an order. What is the probability that the first customer to order at the table
a. orders a dessert?
b. orders a dessert or a beef entrée?
c. is a female and does not order a dessert?
d. is a female or does not order a dessert'?
e. Suppose the first person that the waiter takes the dessert order from is a female. What is the probability that she does not order dessert?
f. Are gender and ordering dessert statistically independent?
g. is ordering a beef entrée statistically independent of whether the person orders dessert?
Solution Format: Word Document
