Answered step by step
Verified Expert Solution
Question
1 Approved Answer
The time needed to complete a final examination in a particular college course is normally distributed with a mean of 90 minutes and a standard
The time needed to complete a final examination in a particular college course is normally distributed with a mean of 90 minutes and a standard deviation of 15 minutes.
a) Write the chance function of the above random variable.
b) What is the probability of completing the exam in one hour or more?
c) What is the probability that a student will complete the exam in more than 70 minutes but less than 85 minutes?
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