by the Yankelovich Partners for USA WEEKEND magazine, 60% of all consumers have called an 800 or 900 telephone number for nformation about some product. Suppose a random sample of 20 consumers is contacted and interviewed about their buying habits. Appendix A Statistical Tables Round your answers to 3 decimal places when calculating using Table A.2, e.g. 0.215.) a. What is the probability that 11 or more of these consumers have called an 800 or 900 telephone number for information about some product? p. What is the probability that more than 15 of these consumers have called an 800 or 900 telephone number for information about some product? c. What is the probability that fewer than 8 of these consumers have called an 800 or 900 telephone number for information about some product?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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An increasing number of consumers believe they have to look out for themselves in the marketplace. According to a survey conducted
by the Yankelovich Partners for USA WEEKEND magazine, 60% of all consumers have called an 800 or 900 telephone number for
information about some product. Suppose a random sample of 20 consumers is contacted and interviewed about their buying habits.
Appendix A Statistical Tables
(Round your answers to 3 decimal places when calculating using Table A.2, e.g. 0.215.)
a. What is the probability that 11 or more of these consumers have called an 800 or 900 telephone number for information about
some product?
b. What is the probability that more than 15 of these consumers have called an 800 or 900 telephone number for information about
some product?
c. What is the probability that fewer than 8 of these consumers have called an 800 or 900 telephone number for information about
some product?
Transcribed Image Text:An increasing number of consumers believe they have to look out for themselves in the marketplace. According to a survey conducted by the Yankelovich Partners for USA WEEKEND magazine, 60% of all consumers have called an 800 or 900 telephone number for information about some product. Suppose a random sample of 20 consumers is contacted and interviewed about their buying habits. Appendix A Statistical Tables (Round your answers to 3 decimal places when calculating using Table A.2, e.g. 0.215.) a. What is the probability that 11 or more of these consumers have called an 800 or 900 telephone number for information about some product? b. What is the probability that more than 15 of these consumers have called an 800 or 900 telephone number for information about some product? c. What is the probability that fewer than 8 of these consumers have called an 800 or 900 telephone number for information about some product?
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