Answer:
Step-by-step explanation:
A type I error occurs when one rejects the null hypothesis when it is actually true.
A type II error occurs when one fails to reject the null hypothesis when it is false.
In this study, the null hypothesis is 91 % of all jurors in the population were convinced that the suspect is guilty this he is convicted.
Failure of the jury to then convict the guilty suspect results in a type I error: The error is a Type I error because the null hypothesis is true, but the jury concluded that it is not true.