From a group of 8 people, 4 are randomly selected. What is the probability the 4 oldest people in the group were selected? Give your answer as a reduced fraction.

1/140

Step-by-step explanation:

8 People, 4 older, 4 younger

We have to choose 4  oldest people in the group

P(choosing 4 oldest) =  

Hope it will find you well.

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.