The time it takes to grade an exam has a mean of 4.8 minutes…

The time it takes to grade an exam has a mean of 4.8 minutes and a standard deviation of 1.3 minutes.  There are 60 students in the class. What is the probability I can grade all 60 exams in under 5 hours (this is average of 5 min/test)? Report your answer as a decimal to 3 decimal places

During a laboratory experiment, a group of students is study…

During a laboratory experiment, a group of students is studying the activation of T-cells in response to a viral infection. They discover that helper T-cells play a crucial role in activating other immune cells. What is the primary function of activated helper T-cells?