The percent distribution of live multiple-delivery births (three or more babies)

Question

The percent distribution of live multiple-delivery births (three or more babies) in a particular year for women 15 to 54 years old is shown in the pie chart. Find each probability.

Number of Multiple Births

a. Randomly selecting a mother 30-39 years old

The percent distribution of live multiple-delivery births (three or more babies) in a particular year for women 15 to 54 years old is shown in the pie chart. Find each probability.

A pie chart labeled "Number of Multiple Births" is divided into seven sectors with labels and approximate sizes as a percentage of a circle as follows: 15-19, 1.5 percent; 20-24, 6.4 percent; 25-29, 21.6 percent; 30-34, 37.3 percent; 35-39, 24.8 percent; 40-44, 5.1 percent; 45-54, 3.3 percent.

Number of Multiple Births

15-19    1.5%20-24    6.4%25-29  21.6%30-34  37.3%35-39  24.8%40-44    5.1%45-54    3.3%

Explanation / Answer

Solution:- given data  30-34  37.3% 35-39  24.8%

a)  Randomly selecting a mother 30-39 years old

P(30-39) =  0.373 + 0.248 = 0.621

=> Randomly selecting a mother 30-39 years old probability is 62.1%

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