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The two-way table below shows the relationship between means of transportation to work and gender for a simple random sample of 250 working adults in the United States.
Drive alone Car pool Public transportation
Male 113 16 6
Female 85 23 7
a) Find the distribution of means of transportation for each gender using relative frequencies.
b) Present your results in a graph.
c) Describe the association between means of transportation and gender in two or three sentences.
d) Construct a 95% confidence interval for the true proportion of Males that drive alone
e) Do we have convincing evidence that the majority of males drive alone?
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