Suppose you want to choose a sample of 50 students from a school of 400. Explain why the following samples fail at drawing a representative sample. a. The first 50 students who arrive at school in the morning. b. The first 50 students of all students lined up in a row. c. Any 50 students at Friday's home soccer game. d. 50 of all students responses to a questionnaire placed in a drop box at school.

Suppose you want to choose a sample of 50 students from a school of 400. Explain why the following samples fail at drawing a representative sample. a. The first 50 students who arrive at school in the morning. b. The first 50 students of all students lined up in a row. c. Any 50 students at Friday's home soccer game. d. 50 of all students responses to a questionnaire placed in a drop box at school.

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

Suppose you want to choose a sample of 50 students from a school of 400. Explain why the following samples fail at drawing a representative sample.

a. The first 50 students who arrive at school in the morning.

b. The first 50 students of all students lined up in a row.

c. Any 50 students at Friday's home soccer game.

d. 50 of all students responses to a questionnaire placed in a drop box at school.

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