Mathematics, 01.08.2019 20:00 Misspaige5150
When an opinion poll calls landline telephone numbers at random, approximately 30% of the numbers are working residential phone numbers. the remainder are either non-residential, non-working, or computer/fax numbers. you watch the random dialing machine make 20 calls. x is the number that reach a working residential number?
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When an opinion poll calls landline telephone numbers at random, approximately 30% of the numbers ar...
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