document.write( "Question 1201102: A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected: \n" );
document.write( "Age Number of Customers \n" );
document.write( "77 \n" );
document.write( "20-29 79 \n" );
document.write( "30-39 89 \n" );
document.write( "40-49 66 \n" );
document.write( "50-59 82 \n" );
document.write( "83\r \n" );
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document.write( "One customer is chosen at random for a prize giveaway. (Round answers to 4 decimal places.)\r \n" );
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document.write( "a. What is the probability that the customer is at least 20 but no older than 39? \r \n" );
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document.write( "b. What is the probability that the customer is either older than 60 or younger than 20? \r \n" );
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document.write( "c. What is the probability that the customer is at least 60? \n" );
document.write( "Submit QuestionQuestion 4 \n" );
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