What are three obstacles to the development of future use of wind power?
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Answer:
Birth rate per minute is 7.913
Birth rate per thousand is 11.457
Solution:
As per the given data in the question:
No. of births in the year 2015, n = 4,159,000
Total population size, N = 3,630,00,000 = 363000 thousand
Now,
To calculate the birth rate in births per min:
No. of days in the year 2015 = 365 days
No. hours in a day = 24 hrs
1 hour = 60 mins
Thus
Total minutes in the year 2015, t =
Birth rate =
Now,
To calculate the birth rate per thousand people:
=