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Visit your local library: On a recent Saturday, a total of 1487 people visited a local library. Of these people, 256 were under age 10,472 were aged 10-18, 164 were aged 19-30, and the rest were more than 30 years old. One person is sampled at random.

Visit your local library: On a recent Saturday, a total of 1487 people visited a local library. Of these people, 256 were under age 10,472 were aged 10-18, 164 were aged 19-30, and the rest were more than 30 years old. One person is sampled at random.

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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Visit your local library: On a recent Saturday, a total of 1487 people visited a local library. Of these people, 256 were under age 10,472 were aged 10-18, 164 were aged 19-30, and the rest were more than 30 years old. One person is sampled at random. (a) What is the probability that the person is less than 19 years old? (b) What is the probability that the person is more than 30 years old? Part 1 of 2 (a) What is the probability that the person is less than 19 years old? Round your answer to four decimal places. The probability that the person is less than 19 years old is 0.4896 Part 2 of 2 (b) What is the probability that the person is more than 30 years old? Round your answer to four decimal places. The probability that the person is more than 30 years old is Submit Assignment Save For Later
Transcribed Image Text:Visit your local library: On a recent Saturday, a total of 1487 people visited a local library. Of these people, 256 were under age 10,472 were aged 10-18, 164 were aged 19-30, and the rest were more than 30 years old. One person is sampled at random. (a) What is the probability that the person is less than 19 years old? (b) What is the probability that the person is more than 30 years old? Part 1 of 2 (a) What is the probability that the person is less than 19 years old? Round your answer to four decimal places. The probability that the person is less than 19 years old is 0.4896 Part 2 of 2 (b) What is the probability that the person is more than 30 years old? Round your answer to four decimal places. The probability that the person is more than 30 years old is Submit Assignment Save For Later
Expert Solution
Step 1-Writing give data

Given that 

Total people (n) = 1487

Under age 10 people =256

between aged 10 to18 = 472

between aged 19 to 30 = 164

More than 30 years old = =(1487-256-472-164) = (1487-892)=595

 

we know that 

Probability = Number of favorable eventsTotal number of events

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