Hi Edward, thank you for doing and submitting your homework.

1.Jury is a group of peaple that desides if a criminal is guilty or not.
Correct: Jury is a group of people that decides if a criminal is guilty or not.

2.Petit jury desides if a criminal is guilty or not.
Correct: Petit jury decides if a criminal is guilty or not.

3.Grand jury is diffrent with Petit jury.
Correct: Grand jury is different from Petit jury.
>> We use " from " to differentiate and " with " to compare something similar.

4.Peaple nead evidence to have a trial.
Correct: People need evidence to have a trial.

5.Judge also desides if a criminal is guilty or not.
Correct: Judge also decides if a criminal is guilty or not.

>> Be careful with the spelling of the words.