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Fiesta28 [93]
1 year ago
6

From a group of 11 people, you randomly select 4 of them. what is the probability that they are the 4 oldest people in the group

?
Mathematics
1 answer:
Andre45 [30]1 year ago
5 0

Answer:

<u>1/ 130 is the probability that they are the 4 oldest people in the group. </u>

Step-by-step explanation:

In the question, we are given; group of 11 people, 4 are selected randomly, find probability they are the 4 oldest people from the group

P(O)= <em>favorable number of outcomes / total number of outcomes </em>

<h3>= 1 / 11C4</h3>

=  11! / (11-4)! 4!

=  7! *4! / 11!

=1/ 130

<em>Therefore, 1 / 130 is the probability that they are the 4 oldest people in the group. </em>

#SPJ4

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