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The time required to complete a task (X) is normally distributed with mean of 20 minutes and standard deviation of 5 min
Posted: Wed May 11, 2022 9:40 am
by answerhappygod
- The Time Required To Complete A Task X Is Normally Distributed With Mean Of 20 Minutes And Standard Deviation Of 5 Min 1 (30.02 KiB) Viewed 22 times
The time required to complete a task (X) is normally distributed with mean of 20 minutes and standard deviation of 5 minutes. (Please round your answers to 3 decimal places) a) What is the probability of finishing the task in less than 12 minutes? b) What is the probability of taking more than 25 minutes to finish the job? c) What is the probability of taking between 18 and 26 minutes to finish the job?