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A small town has 5,600 residents. The residents in the town were asked whether or not they favored building a new bridge across the river. You are given the following information on the residents' responses, broken down by sex.
Men Women TotalIn Favor 1,400 280 1,680Opposed 840 3,080 3,920Total 2,240 3,360 5,600
Let: M be the event a resident is a manW be the event a resident is a womanF be the event a resident is in favorP be the event a resident is opposed
a. Find the joint probability table.b. Find the marginal probabilities.c. What is the probability that a randomly selected resident is a man and is in favor of building the bridge?d. What is the probability that a randomly selected resident is a man?e. What is the probability that a randomly selected resident is in favor of building the bridge?f. What is the probability that a randomly selected resident is a man or in favor of building the bridge?g. A randomly selected resident turns out to be male (that is, it is given that the resident is male). Compute the probability that he is in favor of building the bridge.h. Are gender and opinion independent variables? Support your statement with statistics.
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