Seven hundred adults who eat ice cream regularly were asked about their favorite ice cream. The following table gives the two-way classification of their responses.

a. One adult is randomly selected from these 700 adults. Find the following probabilities.
i. P(man and vanilla)
ii. P(other and woman)
b. Find the joint probability of the events chocolate and other. Is this probability zero? Explain why or why not.

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Chocolate Vanilla Other 98 Men 123 79 Women 109 143 148