Question
In Winter term, there are 400 enrolled students in a course. And every week, there is an oral quiz that selected 10 percent of the
In Winter term, there are 400 enrolled students in a course. And every week, there is an oral quiz that selected 10 percent of the students at randomly without replacement. Let's assume the chance of choosing anyone in the class through the term is equally likely (Final numerical answers should be presented with at least 3 significant digits after the decimal point).
(a)What is the probability that Jack (as a member in the course) has not been chosen for the oral quiz anytime for the entire term (suppose there are 12 weeks in a term)?
(b)What is the probability that Jack has been chosen for the oral quiz more than two times in the entire term (with the same conditions)?
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started