Suppose that the life-time of a certain printer follows an exponential distribution with mean 2 years. The manufacture of this printer offers 100% refund if the printer fails during the first year and 50% if it fails during the second year and none afterward. a. Evaluate the probability of full refund. A. 0.05 B. 0.24 C. 0.39 D. 0.47 E. 0.52 b. Assume that each printer costs $100.00. Determine the expected refund for each sold printer. A. 46 B. 51 C. 54 D. 61 E. 66

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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**Suppose that the life-time of a certain printer follows an exponential distribution with mean 2 years. The manufacturer of this printer offers a 100% refund if the printer fails during the first year and 50% if it fails during the second year and none afterward.**

a. Evaluate the probability of full refund.

   A. 0.05  
   B. 0.24  
   C. 0.39  
   D. 0.47  
   E. 0.52  

b. Assume that each printer costs $100.00. Determine the expected refund for each sold printer.

   A. 46  
   B. 51  
   C. 54  
   D. 61  
   E. 66
Transcribed Image Text:**Suppose that the life-time of a certain printer follows an exponential distribution with mean 2 years. The manufacturer of this printer offers a 100% refund if the printer fails during the first year and 50% if it fails during the second year and none afterward.** a. Evaluate the probability of full refund. A. 0.05 B. 0.24 C. 0.39 D. 0.47 E. 0.52 b. Assume that each printer costs $100.00. Determine the expected refund for each sold printer. A. 46 B. 51 C. 54 D. 61 E. 66
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