Suppose the time it takes a data collection operator to fill out an electronic form for a database is uniformly distributed between 1.2 and 2.3 minutes. (a) Determine the mean of X. (Round your answer to 2 decimal places.) minutes (b) Determine the variance of X. (Round your answer to 4 decimal places.) minutes² (c) What is the probability it will take less than two minutes to fill out the form? (Round your answer to 3 decimal places.) (d) What is the probability it will take more than 90 seconds to fill out the form? (Round your answer to 3 decimal places.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Suppose the time it takes a data collection operator to fill out an electronic form for a database is uniformly distributed between 1.2
and 2.3 minutes.
(a) Determine the mean of X. (Round your answer to 2 decimal places.)
minutes
(b) Determine the variance of X. (Round your answer to 4 decimal places.)
minutes²
(c) What is the probability it will take less than two minutes to fill out the form? (Round your answer to 3 decimal places.)
(d) What is the probability it will take more than 90 seconds to fill out the form? (Round your answer to 3 decimal places.)
Statistical Tables and Charts
Transcribed Image Text:Suppose the time it takes a data collection operator to fill out an electronic form for a database is uniformly distributed between 1.2 and 2.3 minutes. (a) Determine the mean of X. (Round your answer to 2 decimal places.) minutes (b) Determine the variance of X. (Round your answer to 4 decimal places.) minutes² (c) What is the probability it will take less than two minutes to fill out the form? (Round your answer to 3 decimal places.) (d) What is the probability it will take more than 90 seconds to fill out the form? (Round your answer to 3 decimal places.) Statistical Tables and Charts
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