The Perfomance time for a job is normally distributed with mean 5 minutes and standard deviation 3 minutes. The standard for this job is set by observing an operator do this job in 6.5 minutes. If the PR (perfomace rating) of the individual is 97% and the allowance is 0.75 mintues, find the standard time and the percentage of workers eho will be able to finish the job within the specified time.