Question
In a group of people on holiday it is established that there are:
12 males under the age of 21
10 females under the age of 21.
8 males aged between 21 and 30.
7 females aged between 21 and 30.
9 males over the age of 30.
6 females over the age of 30.
Calculate the probability that , if one person is selected at random from the group this person will be a male given that this person is over 30 years:
12 males under the age of 21
10 females under the age of 21.
8 males aged between 21 and 30.
7 females aged between 21 and 30.
9 males over the age of 30.
6 females over the age of 30.
Calculate the probability that , if one person is selected at random from the group this person will be a male given that this person is over 30 years:
Answers
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Answered by
GPT 3.5
To calculate the probability, we need to find the number of males over 30 and divide it by the total number of people over 30.
The number of males over 30 is given as 9.
The total number of people over 30 is the sum of males and females over 30, which is 9 + 6 = 15.
Therefore, the probability that a randomly selected person over 30 will be a male is 9/15 or 3/5.
The number of males over 30 is given as 9.
The total number of people over 30 is the sum of males and females over 30, which is 9 + 6 = 15.
Therefore, the probability that a randomly selected person over 30 will be a male is 9/15 or 3/5.
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