6.3.23 Questia The table shows the results of a survey in which separate samples

Question

6.3.23 Questia The table shows the results of a survey in which separate samples of 400 adults each from the East, South, Midwest, and West were asked if traffic congestion is a serious problem in their community. Complete parts (a) and (b) a Construct a 95% confidence interval for the proportion of adults from the East who say traffic congestion is a serious problem The 95% confidence interval for the proportion of adults from the East who say traffic congestion is a serious problem is Round to three decimal places as needed.) Enter your answer in the edit nelds and then cick Check Aoswer 523 P remaining

Explanation / Answer

Solution:-

p = 34/100

p = 0.34, n = 400

95% confidence interval for the mean amount of tax is C.I = (0.2936, 0.3864)

C.I = 0.34 + 1.96 × 0.02369

C.I = 0.34 + 0.04642

C.I = (0.2936, 0.3864)

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