Answered: Time (t hours) 2

Math

Probability

Time (t hours) 2

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

The unfinished Histogram and Frequency Table give information about the times, in hours, taken by runners to complete the Maths-town Marathon. Use the completed Table to complete the Histogram.

Also what percentage of the runners finished in under 3 hours? Give your answer to the nearest 10%.

Histogram
Frequency Table
Frequency
density
Time (t hours)
2 <t < 3
3 <t < 3.5
3.5 < t < 4
Frequency
1200
4 <t< 4.5
800
4.5 <t < 6
1440
2
4.
Time (t hours)

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