7. Is Your Food Safe? How confident are you that the food you purchase is safe to eat? This question was asked in a CBS News Poll.17 The data that follow reflect the results of the responses to this poll.

a. Is there sufficient evidence to conclude that there are significant differences in responses between men and women at the a 5.05 level of significance?

b. Find the approximate p-value for the test.

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Very Somewhat Not Too Not at All Confident Confident Confident Confident Total Men 210 241 68 5 524 Women 129 306 73 16 524 Total 329 547 141 21 1048