A researcher has found that the number of defective parts produced for a given process follows a Poisson distribution with a mean of 5.8 defective parts per hour. Give the standard deviation for the...

A researcher has found that the number of defective parts produced for a given process follows a Poisson distribution with a mean of 5.8 defective parts per hour. Give the standard deviation for the number of defective parts for this process. Express your answer in 1 decimal place value