specified interval. 4. Verify if the following table describes a probability distribution. If it does, calculate the mean and standard deviation. Using Range Rule of Thumb to identify if x=1 and 6 are significant values. X O 0.014/ 0. 0.014 =0) 0.145 1. 0. 145=0 146 H N m 0.282 2 0.282= 2564 0.090 3 0.090 =0.24 0.153 0.103 0.168 0.046