2) A certain virus causes illness in 18 out of every 100 people it infects. Of the peoples who do become ill, 50% of those require medical attention. What is the probability that an infected person will become ill and will require medical attention?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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2) A certain virus causes illness in 18 out of every 100 people it infects. Of the people
who do become ill, 50% of those require medical attention.
What is the probability that an infected person will become ill and will require medical
attention?
3) A small New Jersey shore town is holding elections for Mayor, Chief of Police and
Town Clerk. There are 5 candidates for Mayor, 4 candidates for Chief of Police and 6
candidates for Town Clerk. How many different election outcomes are possible?
(No one is running for more than one office)
4) One hundred people were asked, "Do you prefer remote classes?". Of the 63 that answered
"yes" to the question, 14 were male. Of the 37 that answered "no" to the question, 6 were male.
a) If you were to choose one of those asked at random, what is the probability that this
person answered "yes" or was a male?
b) If 1 person is selected at random, what is the probability that that person answered "no"
and is female?
Transcribed Image Text:2) A certain virus causes illness in 18 out of every 100 people it infects. Of the people who do become ill, 50% of those require medical attention. What is the probability that an infected person will become ill and will require medical attention? 3) A small New Jersey shore town is holding elections for Mayor, Chief of Police and Town Clerk. There are 5 candidates for Mayor, 4 candidates for Chief of Police and 6 candidates for Town Clerk. How many different election outcomes are possible? (No one is running for more than one office) 4) One hundred people were asked, "Do you prefer remote classes?". Of the 63 that answered "yes" to the question, 14 were male. Of the 37 that answered "no" to the question, 6 were male. a) If you were to choose one of those asked at random, what is the probability that this person answered "yes" or was a male? b) If 1 person is selected at random, what is the probability that that person answered "no" and is female?
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