Suppose the following table gives the age distribution of the U.S. population. Group Age (in years) Number (in thousands) 1 4 Under 5 5-19 20-24 25-44 45-64 65 and over 21,365 61,376 21,525 81,226 80,538 39,478 Let x denote a random variable that takes on the values 1, 2, 3, 4, 5, and 6 corresponding to the age groups given in the table. (a) Find the probability distribution associated with these data. (Round your answers to three decimal places.) P(X = x) 1 Under 5 5-19 3 20-24 4 25-44 45-64 6 65 and over (b) What percentage of the U.S. population is between 5 and 24 years old, inclusive? (Round your answer to three decimal places.) %

College Algebra
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ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Suppose the following table gives the age distribution of the U.S. population.
Group
3
4
5
6
Age
(in years)
Under 5
5-19
20-24
25-44
45-64
65 and over
Number (in
thousands)
21,365
61,376
21.525
81.226
80,538
39,478
Let x denote a random variable that takes on the values 1, 2, 3, 4, 5, and 6 corresponding to the age groups given in the table.
(a) Find the probability distribution associated with these data. (Round your answers to three decimal places.)
P(X = x)
Under 5
2
5-19
3
20-24
25-44
45-64
6
65 and over
(b) What percentage of the U.S. population is between 5 and 24 years old, inclusive? (Round your answer to three decimal places.)
%
Transcribed Image Text:Suppose the following table gives the age distribution of the U.S. population. Group 3 4 5 6 Age (in years) Under 5 5-19 20-24 25-44 45-64 65 and over Number (in thousands) 21,365 61,376 21.525 81.226 80,538 39,478 Let x denote a random variable that takes on the values 1, 2, 3, 4, 5, and 6 corresponding to the age groups given in the table. (a) Find the probability distribution associated with these data. (Round your answers to three decimal places.) P(X = x) Under 5 2 5-19 3 20-24 25-44 45-64 6 65 and over (b) What percentage of the U.S. population is between 5 and 24 years old, inclusive? (Round your answer to three decimal places.) %
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