There are 3 different bikes stored in a warehouse. This warehouse contains 15,000 bikes in total. Below is a table to use to answer the question. Kind of bikes Cruiser bike Mountain bike Road bike Number of bikes 2,000 6,000 7,000 A stratified sample of all the bikes is taken 420 road bikes were selected. Calculate the total number of bikes in the sample. 900 1000 750 630

There are 3 different bikes stored in a warehouse. This warehouse contains 15,000 bikes in total. Below is a table to use to answer the question. Kind of bikes Cruiser bike Mountain bike Road bike Number of bikes 2,000 6,000 7,000 A stratified sample of all the bikes is taken 420 road bikes were selected. Calculate the total number of bikes in the sample. 900 1000 750 630

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

There are 3 different bikes stored in a warehouse. This warehouse contains 15,000 bikes in total. Below is a table to use to answer the question.

Kind of bikes	Cruiser bike	Mountain bike	Road bike
Number of bikes	2,000	6,000	7,000

A stratified sample of all the bikes is taken 420 road bikes were selected. Calculate the total number of bikes in the sample.

900

1000

750

630

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