The assembly time of a certain mechanism is a v.a. uniform in the range of 40 to 60 seconds. Determine: a. The probability that the mount will be done in less than 50 seconds.  B. probability that the assembly will be done in less than 55 seconds, knowing that it was greater than 45 seconds.  c. The time (in seconds) under which 60% of mounts are done.

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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The assembly time of a certain mechanism is a v.a. uniform in the range of 40 to 60 seconds. Determine:

a. The probability that the mount will be done in less than 50 seconds. 
B. probability that the assembly will be done in less than 55 seconds, knowing that it was greater than 45 seconds. 
c. The time (in seconds) under which 60% of mounts are done. 

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