When the person is less than 18 years old, out of 265 persons, 20 has job and 245 do not have job.
The probability is defined as
.
Consider the first column only.
The probability that a randomly selected person surveyed has job is

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Answer: B. -9/8
Step-by-step explanation:
Answer:
So I assume we are figuring out the number of men and women here, so:
m + 2w = 12
m = 12 - 2w
12 - 2w + 3w = 22
w = 10
m + 2w = 12
m + 2(10) = 12
m + 20 = 12
m = -8