Question

A survey was done that asked students to indicate whether they walk or ride to school, and whether they live up to 2 miles or more than 2 miles from the school . What is the probability that a randomly selected student walks to school and lives more than 2 miles from the school?

Answer 1

• 0.0684 or 6.84%

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Firstly find the number of students:

• 112 + 35 + 18 + 98 = 263

The number of students who walks to school and lives more than 2 miles from the school:

• 18 - from the top-right cell of the table

Required probability is:

• P = 18/263 = 0.0684 or 6.84%