A large operator of timeshare complexes requires anyoneinterested in making a purchase to first visit thesite of interest. Historical data indicates that 20% of allpotential purchasers select a day visit, 50% choose aone-night visit, and 30% opt for a two-night visit. Inaddition, 10% of day visitors ultimately make a purchase,30% of one-night visitors buy a unit, and 20%of those visiting for two nights decide to buy. Supposea visitor is randomly selected and is found to havemade a purchase. How likely is it that this person madea day visit? A one-night visit? A two-night visit?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A large operator of timeshare complexes requires anyone
interested in making a purchase to first visit the
site of interest. Historical data indicates that 20% of all
potential purchasers select a day visit, 50% choose a
one-night visit, and 30% opt for a two-night visit. In
addition, 10% of day visitors ultimately make a purchase,
30% of one-night visitors buy a unit, and 20%
of those visiting for two nights decide to buy. Suppose
a visitor is randomly selected and is found to have
made a purchase. How likely is it that this person made
a day visit? A one-night visit? A two-night visit?

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