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Do Homework-valencia kennedy-Google Chrome https://www..mathxl.com/Student/PlayerHomework.aspx homeworkid=499 2316528questionid-238flushed-true&ild-5184531&centerwin-y MAT 120 101 Fall 2018 valencia kennedy 9/20/18 10 Homework: 3.1 Homework Score: 0 of 1 pt 26 of 45 (26 complete) HW Score: 54 44%, 24 50 3.1.39 Question Hel Use the frequency distribution, which shows the number of American voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range Ages Frequency 18 to 20 5.6 7.8 25 to 34 21.5 21 to 24 35 to 44 45 to 64 54.1 288 65 and over The probability that a voter chosen at random is in the 18 to 20 years old age range is Round to three decimal places as needed)

Explanation / Answer

Frequency corresponding to class 18 to 20 age group is 5.6

Total frequency = 5.6+7.8+21.5+25.8+54.1+28.8 = 143.6

The probability that a voter chosen at random is in the 18 to 20 years old age range is 5.6/143.6 = 0.039

Answer: 0.039

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