3. The question of whether birth order is related to juvenile delinquency or not

Question

3. The question of whether birth order is related to juvenile delinquency or not was asked in a large scale study using a high school population. The results are given in the table below.

Find the probability that a high school student is found to be delinquent given that the student is the only child

Oldest    Inbetween      Youngest   Only Child    Total Delinquency yes     20        30         35       25     110 Delinquency No    450       310       215       75    1050 Total    470       340       250      100    1160

Explanation / Answer

Solution :

Using the rule of conditional probability ,

The probability that a high school is found to be delinquent given that the student is the only child is ,

= (25/1160)

= 0.021

=

  

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