Group of people who decide a case after hearing the evidence is called

A JURY decide a case after hearing the evidence.

Explanation:

A Jury in a court is a group of the people who decides a case after hearing the evidence. The US Jurisdiction provides the right to prove self innocence, for which a trial Jury is organised which consists of 6-12 people in which the defender has the right to prove his innocence by providing witness and other evidence.

Further there is grand Jury of 16-23 people, organised with available evidence against defender. If the evidences against the defender proved right then the corresponding charges will be issued against him.

the numbers are even higher.

explanation:

statistics have shown that more that 60% of test takers fail the first time and have to retake the test.

your answer would be a. true