5.76 Teens and drugs In August 2006 the Center on Addiction and Substance Abuse (CASA) at Columbia University reported results of a survey of 1297 teenagers about their views on the use of illegal substances. Twenty percent of the teens surveyed reported going to clubs for music or dancing at least once a month. Of them, 26% said drugs were usually available at these club events. Which of these percentages estimates a conditional probability? For each that does, identify the event conditioned on and the event to which the probability refers.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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5.76 Teens and drugs In August 2006 the Center on Addiction
and Substance Abuse (CASA) at Columbia University
reported results of a survey of 1297 teenagers about their
views on the use of illegal substances. Twenty percent of
the teens surveyed reported going to clubs for music or
dancing at least once a month. Of them, 26% said drugs
were usually available at these club events. Which of these
percentages estimates a conditional probability? For each
that does, identify the event conditioned on and the event
to which the probability refers.
Transcribed Image Text:5.76 Teens and drugs In August 2006 the Center on Addiction and Substance Abuse (CASA) at Columbia University reported results of a survey of 1297 teenagers about their views on the use of illegal substances. Twenty percent of the teens surveyed reported going to clubs for music or dancing at least once a month. Of them, 26% said drugs were usually available at these club events. Which of these percentages estimates a conditional probability? For each that does, identify the event conditioned on and the event to which the probability refers.
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