Question
The percent of college students' marijuana use for a sample of 93,538 students is shown in the accompanying pie chart. Find the probability of each
The percent of college students' marijuana use for a sample of
93,538
students is shown in the accompanying pie chart. Find the probability of each event listed in parts (a) through (d) below.
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(a) Randomly selecting a student who never used marijuana
The probability is
enter your response here%.
(Round to one decimal place as needed.)
(b) Randomly selecting a student who used marijuana
The probability is
enter your response here%.
(Round to one decimal place as needed.)
(c) Randomly selecting a student who used marijuana between 1 and 29 of the last 30 days
The probability is
enter your response here%.
(Round to one decimal place as needed.)
(d) Randomly selecting a student who used marijuana on at least 1 of the last 30 days
The probability is
enter your response here%.
(Round to one decimal place as needed.)
data set:
never used, 54.3 %
used but not in last 30 days,27.0%
used 1-9 days, 10.0%
used 10-29 days ,7.0%
used all 30 days,1.7%
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