Because the P-value of 0.0183 = 0.05 we H0. We convincing evidence to conclude that the proportion of all runners who are optimistic is greater than the proportion of all walkers who are optimistic.

Compare the P-value, 0.0183, with the significance level, 0.05. Since 0.0183 is less than 0.05, reject the null hypothesis. The data provide convincing evidence that the proportion of runners who are optimistic is greater than the proportion of walkers who are optimistic.

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