Question
The average time to finish a certification exam is 2 hours and 40 minutes (160 mins) with a standard deviation equal to 25 minutes. Assume
The average time to finish a certification exam is 2 hours and 40 minutes (160 mins) with a standard deviation equal to 25 minutes. Assume normal distribution applies.
What is the probability that a random individual finishes the exam in exactly two hours (120 minutes ) ?
What is the probability that it takes a student less than 125 minutes to complete the test?
______________________________________________________________________
60% of those who take a certification exam pass it. Assume binomial distribution applies. 10 people have registered to take the exam in June.
What is the probability that exactly 4 of them will pass the test?
What is the probability that more than three will fail the exam?
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
Differential Equations and Linear Algebra
Authors: Jerry Farlow, James E. Hall, Jean Marie McDill, Beverly H. West
2nd edition
131860615, 978-0131860612
