ourses/1131241/quizzes/1501633/take/questions/32603803 A supermarket polled 1,00

Question

ourses/1131241/quizzes/1501633/take/questions/32603803 A supermarket polled 1,000 customers regarding the size of their bill. The results are given in the table below. Size of Bill Number of Customers below $20.00 203 $20.00-$39.99 116 $40.00-$59.99 181 $60.00-$79.99 175 $80.00-$99.99 193 $100.00 or above 132 Use probability rules (when appropriate) to find the relative frequency with which a customer's bill is as stated. (Enter your answers as fractions.) (a) less than $60.00 (b) between $40.00 and $79.99, inclusive Part a): Sclect ] Part b): (Select ]

Explanation / Answer

a) P(Less than $60.00) = (203 + 116 + 181)/1000 = 500/1000 = 0.500

b) P(Between $40.00 and $79.99) = (181 + 175)/1000 = 356/1000 = 0.356

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