There are 40 students in an elementary statistics claSs. On he baSis of years of experience, the instructor knows that the time needed to grade a randomly chosen first examination paper is a random variable with an expected value of 6 min and a standard deviation of 6 min. a) If grading times are independent and the instructor begins grading at 6:50 pm and grades continously, what is the (approx) probability that he is through graDing before the 11:00 pm TV news begins? b) If the sports report begins at 11:10, what is the probability that he misses part of the report if he waits until grading is done before turning on the TV? (We have to use CLT).
Elementary statistics class
Plagiarism-free and delivered on time!
We are passionate about delivering quality essays.
Our writers know how to write on any topic and subject area while meeting all of your specific requirements.
Unlike most other services, we will do a free revision if you need us to make corrections even after delivery.
How it Works
Place an order
Fill out the order form.
Attach any custom instructions that is required to complete your order.
Pay online safely.
The order form will redirect you to a payment page.
Receive Order via Email
Once the order is complete, we’ll send it via the email provided on the order form.