The range for a set of data is estimated to be 52. (a) What is the planning value for the population standard deviation? (b) At 95% confidence, how large a sample would provide a margin of error of 4? (Round your answer up to the nearest whole number.) (c) At 95% confidence, how large a sample would provide a margin of error of 2? (Round your answer up to the nearest whole number.)

The range for a set of data is estimated to be 52. (a) What is the planning value for the population standard deviation? (b) At 95% confidence, how large a sample would provide a margin of error of 4? (Round your answer up to the nearest whole number.) (c) At 95% confidence, how large a sample would provide a margin of error of 2? (Round your answer up to the nearest whole number.)

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 range for a set of data is estimated to be 52.

(a)

What is the planning value for the population standard deviation?

(b)

At 95% confidence, how large a sample would provide a margin of error of 4? (Round your answer up to the nearest whole number.)

(c)

At 95% confidence, how large a sample would provide a margin of error of 2? (Round your answer up to the nearest whole number.)

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