A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Let \( X \) denote the data transfer time (ms) in a grid computing system (the time required for data transfer between a "worker" computer and a "master" computer). Suppose that \( X \) has a gamma distribution with mean value 37.5 ms and standard deviation 21.6 (suggested by the article "Computation Time of Grid Computing with Data Transfer Times that Follow a Gamma Distribution, "+").

**(a)** What are the values of \( \alpha \) and \( \beta \)? (Round your answers to four decimal places.)

\[ 
\alpha = \text{\_\_\_\_} 
\]
\[ 
\beta = \text{\_\_\_\_} 
\]

**(b)** What is the probability that data transfer time exceeds 48 ms? (Round your answer to three decimal places.)

\[ 
\text{\_\_\_\_} 
\]

**(c)** What is the probability that data transfer time is between 48 and 72 ms? (Round your answer to three decimal places.)

\[ 
\text{\_\_\_\_} 
\]
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Transcribed Image Text:Let \( X \) denote the data transfer time (ms) in a grid computing system (the time required for data transfer between a "worker" computer and a "master" computer). Suppose that \( X \) has a gamma distribution with mean value 37.5 ms and standard deviation 21.6 (suggested by the article "Computation Time of Grid Computing with Data Transfer Times that Follow a Gamma Distribution, "+"). **(a)** What are the values of \( \alpha \) and \( \beta \)? (Round your answers to four decimal places.) \[ \alpha = \text{\_\_\_\_} \] \[ \beta = \text{\_\_\_\_} \] **(b)** What is the probability that data transfer time exceeds 48 ms? (Round your answer to three decimal places.) \[ \text{\_\_\_\_} \] **(c)** What is the probability that data transfer time is between 48 and 72 ms? (Round your answer to three decimal places.) \[ \text{\_\_\_\_} \]
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