The percent of college students' marijuana use for a sample of 95,633 students is shown in the accompanying pie chart. Find the probability of each event listed in parts (a) through (d) below. Click the icon to view the pie chart. (a) Randomly selecting a student who never used marijuana The probability is%. (Round to one decimal place as needed.) (b) Randomly selecting a student who used marijuana The probability is%. (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 %. (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 %. (Round to one decimal place as needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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The percent of college students' marijuana use for a sample of 95,633
students is shown in the accompanying pie chart. Find the probability of each
event listed in parts (a) through (d) below.
Click the icon to view the pie chart.
(a) Randomly selecting a student who never used marijuana
The probability is %.
(Round to one decimal place as needed.)
(b) Randomly selecting a student who used marijuana
The probability is %.
(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%.
(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 %.
(Round to one decimal place as needed.)
Transcribed Image Text:The percent of college students' marijuana use for a sample of 95,633 students is shown in the accompanying pie chart. Find the probability of each event listed in parts (a) through (d) below. Click the icon to view the pie chart. (a) Randomly selecting a student who never used marijuana The probability is %. (Round to one decimal place as needed.) (b) Randomly selecting a student who used marijuana The probability is %. (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%. (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 %. (Round to one decimal place as needed.)
Marijuana Use in the Last 30 Days
Never used, 58.3%
Used, but not in the last 30 days, 23.0%
Used 1-9 days, 12.0%
Used 10-29 days, 4.0%
Used all 30 days, 2.7%
Transcribed Image Text:Marijuana Use in the Last 30 Days Never used, 58.3% Used, but not in the last 30 days, 23.0% Used 1-9 days, 12.0% Used 10-29 days, 4.0% Used all 30 days, 2.7%
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