Identity theft is a growing problem in the United States. According to a Federal Trade Commission Re- port about 280,000 identity complaints were filed for 2011. Among the 43.2 million persons in the 20-29 year old age group, 56,689 complaints were filed. The 20-29 year old age group makes up proportion .139 of the total population. Use the relative frequencies to approximate the probability, that for the current year, (a) a person in the 20-29 age group files an identity theft complaint. (b) a person not in the 20-29 age group files an iden- tity theft complaint. Comment on your answers to Parts (a) and (b). (c) a random person will file an identity theft com- plaint. (d) If a complaint is filed, what is the probability it was by someone in the 20-29 age group.

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74 Identity theft is a growing problem in the United
States. According to a Federal Trade Commission Re-
port about 280,000 identity complaints were filed for
2011. Among the 43.2 million persons in the 20-29
year old age group, 56,689 complaints were filed. The
20-29 year old age group makes up proportion .139
of the total population. Use the relative frequencies to
approximate the probability, that for the current year,
(a) a person in the 20-29 age group files an identity
theft complaint.
(b) a person not in the 20–29 age group files an iden-
tity theft complaint. Comment on your answers to
Parts (a) and (b).
(c) a random person will file an identity theft com-
plaint.
(d) If a complaint is filed, what is the probability it
was by someone in the 20–29 age group.
Transcribed Image Text:74 Identity theft is a growing problem in the United States. According to a Federal Trade Commission Re- port about 280,000 identity complaints were filed for 2011. Among the 43.2 million persons in the 20-29 year old age group, 56,689 complaints were filed. The 20-29 year old age group makes up proportion .139 of the total population. Use the relative frequencies to approximate the probability, that for the current year, (a) a person in the 20-29 age group files an identity theft complaint. (b) a person not in the 20–29 age group files an iden- tity theft complaint. Comment on your answers to Parts (a) and (b). (c) a random person will file an identity theft com- plaint. (d) If a complaint is filed, what is the probability it was by someone in the 20–29 age group.
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