(4) In addition, juries are chosen at random by the JCSB from the electoral register which ensures that there is a broad mix of people, if there isn't then the prosecution or defence can challenge the jury to the array, for the cause or stand by for the crown. This is an advantage as it means that there is a wide cross-section of jurors who are representative of society from many different backgrounds and all walks of life. A mix of gender, age, ethnicity, occupation etc ensures that jurors have different opinions and a fair trial takes place.