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b) What percentage of births occurred among women between the ages of 16 and 18?

ID: 3040216 • Letter: B

Question

b) What percentage of births occurred among women between the ages of 16 and 18? Give your answer to one decimal place.

percentage of births.

The histogram displays the number of 2008 births among U.S. women ages 10 to 50. Each bin represents an interval of two years, and the height of each bin represents the frequency with which the data fall within that interval Births by mother's age (2008) 500 487 441 400 300 252 200 100 46 0 10 20 30 40 50 Mother's age (in years) Use the provided histogram to answer questions about the number of births for each age group How many births occurred among women over the age of 38?

Explanation / Answer

Answer to the question is as follows:

A. Frequency above the age of 38 is 99+46+17+4 = 166

B. %age of births occured among woman between 16 and 18
=birth in 16 to 18 age / total births
= 202/(62+202+369+415+441+470+487+460+403+326+252+177+99+46+17+4)
= 0.04775 or 0.1% ( to 1 decimal)