Advanced Placement (AP), 07.05.2021 06:00 valejuan

Maud and Billy wanted to know if there's a difference between the modes of transportation used by men and women.
One morning, they stood at the entrance to a big office building and surveyed people about the mode of
transportation they used to get to the office. Maud surveyed a random sample of 110 women and Billy
surveyed a random sample of 110 men. Here are the results:
Gender Car Bus
Men 54
Bicycle Walk Total
12 13 110
31
Women
41
38
16
15
110
220
Total
95
69
28
28
They want to perform a x? test of homogeneity on these results.
What is the expected count for the cell corresponding to women who walk?
You may round your answer to the nearest hundredth.

Answers: 3

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