The owner of the restaurant serving Continental-style entrees was interested in

Question

The owner of the 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 entrée was ordered. The results are as follows:

A waiter approaches a table to make an order. What is the probability that the first customer to order at the table

a. Orders a dessert?

b. Order 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 independent?

g. Is ordering a beef entrée independent of whether the person orders dessert?

Explanation / Answer

Solution:-

a. 22.7%

b. 42%

c. 40%

d. 84%

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