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Delicious77 [7]
3 years ago
15

Out of 1,000 people in a small town, 500 are members of a choir. Out of these 500 members in a choir, 100 are men. Out of the 50

0 inhabitants that are not in a choir, 300 are men. What is the probability that a randomly drawn man is a member of the choir? Please indicate the probability in a percent.
___ %
Mathematics
2 answers:
Ad libitum [116K]3 years ago
8 0
The correct answer is 25%
-Dominant- [34]3 years ago
8 0

The probability that a randomly drawn man is a member of the choir is \boxed{25\% }..

Further explanation:

The probability is the chance of any event.

The probability can be obtained as the ratio of favorable number of outcomes to the total number of outcomes

\boxed{{\text{Probability}} = \frac{{{\text{Favorable number of outcome}}}}{{{\text{Total number of outcomes}}}}}.

Given:

There are 1000 people in a small town, 500 are members of choir. Out of which 100 are men.

There are 500 inhabitants that are not in a choir.

Explanation:

There are total 1000 members.

The number of men that are member of choir is 100.

There are 500 members in a choir and 100 members are men.

The total number of man is 300 + 100 = 400.

Consider an event A man is a member of choir.

Consider an event B that man is randomly selected.

The probability of event A can be calculated as follows,

P\left( {A \cap B} \right) = \dfrac{{100}}{{1000}}

The probability of event B can be calculated as follows,

P\left( B \right) = \dfrac{{400}}{{1000}}

The probability that a randomly drawn man is a member of the choir can be expressed as follows,

\begin{gathered}  {\text{Probability}} = \frac{{P\left( {A \cap B} \right)}}{{P\left( B \right)}} \\    = \frac{{\dfrac{{100}}{{1000}}}}{{\dfrac{{400}}{{1000}}}} \\    = \dfrac{{100}}{{400}} \\    = 0.25 \\    = 25\%  \\ \end{gathered}

The probability that a randomly drawn man is a member of the choir is \boxed{25\% }.

Learn more:

1. Learn more about inverse of the functionhttps://brainly.com/question/1632445.

1. Learn more about equation of circle brainly.com/question/1506955.

3. Learn more about range and domain of the function brainly.com/question/3412497

Answer details:

Grade: High School

Subject: Mathematics

Chapter: Probability

Keywords: small town, inhabitants, member, choir, 500 members, randomly, probability, man, 1000 people, 100 men.

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