The managers of an import agency are investigating the length of time that customers take to pay their invoices, the normal terms for which are 30 days net. They have checked the payment record of 100 customers chosen at random and have compiled the following table: a. Construct a histogram and use it to estimate the modal value.  b. Estimate the probability that an unpaid invoice chosen at random will be between 30 and 39 days old.

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The managers of an import agency are investigating the length of time that customers take to pay their invoices, the normal terms for which are 30 days net. They have checked the payment record of 100 customers chosen at random and have compiled the following table:

a. Construct a histogram and use it to estimate the modal value

b. Estimate the probability that an unpaid invoice chosen at random will be between 30 and 39 days old. 

Payment in days 5 to 9 10 to 14 15 to 19 | 20 to 24 25 to 29 30 to 34 35 to 39 40 to 44
No. of customers
10
17
20
22
16
8.
3
Transcribed Image Text:Payment in days 5 to 9 10 to 14 15 to 19 | 20 to 24 25 to 29 30 to 34 35 to 39 40 to 44 No. of customers 10 17 20 22 16 8. 3
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