Need help please, also about probabilities
1 answer:
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Answer:
76 % of babies will be born out of wedlock in the year
Step-by-step explanation:
Given: In 1990, 28 % of babies in the United States were born to parents who were not married. This increased by approximately 0.6 % per year.
To find: year when 76 % of babies born out of wedlock
Solution:
A sequence is said to be in arithmetic progression if the difference between the terms is same.
For a sequence with first term as 'a' and common difference as 'd', the nth term is given by
The given situation also forms an arithmetic progression with
Also, put
So,
So, 76 % of babies will be born out of wedlock in the year