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A retail variety store that advertises extensively by mail circulars expects a sale with 20% probability. Suppose 30 prospects are randomly selected from a city-wide mailing. c. What is the probability that at least 12 sales will result from mailing to the 30 prospects? 0.009493 0.5 0.423674 Jimmy and Rosalynn Carter celebrate 0.983877 2

A retail variety store that advertises extensively by mail circulars expects a sale with 20% probability. Suppose 30 prospects are randomly selected from a city-wide mailing. c. What is the probability that at least 12 sales will result from mailing to the 30 prospects? 0.009493 0.5 0.423674 Jimmy and Rosalynn Carter celebrate 0.983877 2

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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A retail variety store that advertises extensively by mail circulars expects a sale with 20% probability. Suppose 30 prospects are randomly selected from a city-wide mailing. c. What is the probability that at least 12 sales will result from mailing to the 30 prospects? 0.009493 0.5 0.423674 Jimmy and Rosalynn Carter celebrate 0.983877 2
Transcribed Image Text:A retail variety store that advertises extensively by mail circulars expects a sale with 20% probability. Suppose 30 prospects are randomly selected from a city-wide mailing. c. What is the probability that at least 12 sales will result from mailing to the 30 prospects? 0.009493 0.5 0.423674 Jimmy and Rosalynn Carter celebrate 0.983877 2
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