Posted by **Keisha** on Friday, September 26, 2008 at 1:11pm.

Time taken in mins for student to walk to school.

1-5 mins (4 students)

6-10 mins (7 students)

11-15 mins (10 students)

16-20 mins (20 students)

21-25 mins (6 students)

26-30 mins (3 students)

1)Estimate the probability that a student selected at random will take at least 21 mins to walk to school

2)The time to nearest minute taken by each of 2 other students to walk to school in 33 mins and state the interval in which this would lie

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