If 20% of the residents in a U.S. city prefer a white telephone over any other color
Question:
If 20% of the residents in a U.S. city prefer a white telephone over any other color available, what is the probability that among the next 1000 telephones installed in that city
(a) Between 170 and 185 inclusive will be white?
(b) At least 210 but not more than 225 will be white?
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1000 02 200 and o 1000 02 08 12649 a z 1695200...View the full answer
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Related Book For 
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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