Answered: A survey of 2645 consumers by DDB…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A survey of 2645 consumers by DDB Needham Worldwide of Chicago for public relations agency Porter/Novelli showed that how a company handles a crisis when at fault is one of the top influences in consumer buying decisions,with 73% claiming it is an influence. Quality of product was the number one influence, with 96% of consumers stating that quality influences their buying decisions. How a company handles complaints was number two, with 85% of consumers reporting it as an influence in their buying decisions. Suppose a random sample of 1,200 consumers is taken and each is asked which of these three factors influence their buying decisions.

Appendix A Statistical Tables

a. What is the probability that more than 920 consumers claim that how a company handles a crisis when at fault is an influence in their buying decisions?
b. What is the probability that fewer than 1,125 consumers claim that quality of product is an influence in their buying decisions?
c. What is the probability that between 81% and 83% of consumers claim that how a company handles complaints is an influence in their buying decisions?

*(Round the values of z to 2 decimal places. Round the intermediate values to 4 decimal places. Round your answer to 4 decimal places.)
**(Round the values of z to 2 decimal places. Round the intermediate values to 4 decimal places. Round your answer to 5 decimal places.)

a. enter the probability that more than 920 consumers claim their buying decisions are influenced by how a company handles a crisis when at fault rounded to 4 decimal places *

b. enter the probability that fewer than 1,125 consumers claim that quality of product influences their buying decisions rounded to 5 decimal places **

c. enter the probability that between 81% and 83% of consumers claim that their buying decisions are influenced by how a company handles a crisis when at fault rounded to 4 decimal places *

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