Asked Jul 11, 2019

In 2015, there were approximately 3998000 million births in the US. Find the birth rate in units of births per minute. Assuming a US population of 321 million, what was the annual birth rate per 1000 people?


Expert Answer

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Step 1

Given information:

Number of births=3,998,000 and population size=321,000,000=321,000 thousand

Now, first evaluate:

Birth rate per minute

1 hour = 60 minutes

1 day = 24 hours

1 year = 365 days ( as 2015 is not a leap year )


Number of minutes in a year = (60)(24)(365) = 525600

Therefore, the birth rate per minute is given by:


Image Transcriptionclose

Number of births in a year Number of minutes in a year Birth rate per minute = 3998000 525600 7.6065

Step 2

Now, evaluate:

Birth rate per 1000 people

The birth rate per 1000 people is given by the number...


Image Transcriptionclose

Number of births Birth rate per 1000 people Popul ati on size ( in thousands) 3998000 321000 3998 321 12.4548


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