The major difference between Normal and standard distribution is in standard distribution the mean will be zero and standard deviation will be one where in normal distribution both mean and standard deviation will be one.
Below is the sample image that represents standard normal distribution.
Source homeworkfactory
Now from the above standard Normal distribution.
what is the probability of P(0<x<1), It will be 34.1%
What is the probability of P(-1<x<1), It will be 68.2%
What is the probability of P(x<2),It will be 95.4%
What is the probability of P(-2<x<-1), It will be 13.6
Data and Machine by viswateja 