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.) %
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.) %
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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