A researcher collected data to study alcohol abuse. We are particularly interest

Question

A researcher collected data to study alcohol abuse.

We are particularly interested in the relationship between employment and alcohol abuse. So we make a probability distribution table of these two variables as follows.

What is the appropriate probability in the cell (y)?

40%

0%

30%

10%

20%

# Abuse alcohol? Gender? Employed? Married? Mother or father alcoholic? Any health problem? Living in urban area? 1 yes male no yes no no yes 2 no male yes yes no no yes 3 yes female yes no yes no yes 4 no male yes yes no yes no 5 no female yes no no yes yes 6 no female no no no no no 7 no female yes yes no no no 8 yes male yes no yes yes yes 9 yes female no yes no no no 10 yes male yes no no no yes

Explanation / Answer

Solution

From the given data, we find the distribution is as follows:

Alcohol abuse

No alcohol abuse

Employed

(3)

(4)

Unemployed

(2)

(1)

So, out of 10, y = 4 and hence P(y) = 4/10 = 0.4 ANSWER

Alcohol abuse

No alcohol abuse

Employed

(3)

(4)

Unemployed

(2)

(1)

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