A certain experimental drug claims a cure rate of at least 80% for females with breast cancer. Describe the Type I error.

Question 3 options:

A) 

A breast cancer patient believes that the experimental drug has an 80% success rate.

B) 

A breast cancer patient believes that the cure rate is equal to 80%.

C) 

A breast cancer patient believes the cure rate for the drug is less than 80% when it is at least 80%.

D) 

A breast cancer patient believes the experimental drug has at least an 80% cure rate when it has a cure rate that is less than 80%.