The percent of college students' marijuana use for a sample of 94 comma 400 students is shown in the accompanying pie chart. Find the probability of each event listed in parts (a) through (d) below (a) Randomly selecting a student who never used marijuana
The probability is
059.5%.
(Round to one decimal place as needed.)
(b) Randomly selecting a student who used marijuana
The probability is
18.5%.
(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
16%.
(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
18.5%.